Chapter 1

A/N: well hello my gravity falls fans! What's that you say, I don't really have gravity falls fans? I'm more of a Harry potter my little pony writer? This is really a first for me?

Yeah I know…

I shouldn't have watched the whole Gravity Falls series in one weekend…

But once this fic is done I'll probably be back to writing MLP and Harry potter stuff again, don't worry. In the mean time, pay attention, because there's quite a bit going on in the sidelines of this fic. ;)

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It was raining heavily one mid day when the tale P.I. stepped into his office. His secretary looked up and stood to follow him to his office with a worried look.

"There's a weird lady here to see you sir… I told her you weren't in but she insisted she be let into your office. She didn't leave a name. Said she would only speak with you…" the P.I. frowned.

"Did she seem untrustworthy?"

"No sir… just a bit paranoid…"

"It's all right Sammie… why don't you take the rest of the day off, you seem stressed." The receptionist gave her boss a relived grateful look and scampered off to leave. The P.I. looked at his office with a frown but entered anyway. In the office was a woman of medium height with honey colored hair with a very impressive diamond necklace. She was wearing a thick pair of sunglasses and a scarf over her head that hid all but her bangs. "Alright, I'm here but make it quick; I don't usually take assignments without an appointment."

"I hope you can help me. Every other P.I. I've gone to gave up after about a week… I'm looking for a distant relative of mine… it's a bit of a family secret so I'll hope you keep this in the family… the thing is, my major lead isn't in Los Angeles… it's not even in California… it's in a small town where my cousin lives." The P.I. grunted.

"Well I'm no slacker and I can't resist a good mystery… and I'm no stranger to relocating for an assignment. If you give me the names of your cousin's family I'll be happy to go to this town and find everything I can. And I promise you this will remain in your family."

"Thank you sir, you have no idea how much this means to me." The woman reached into her purse and pulled out a case file placing it on the desk before the P.I. "the case is almost a hundred and fifty years old and has been dead for over a century but I'm certain there's a way to solve it. It's about my great great great aunt…

Pacifica Northwest.

A motorbike whipped down an old forested highway, kicking up leaves in the late autumn as it went. As the driver sighted the water tower it sped up so that the words blurred into nothing. On down the road the bike traveled until it slowed to a moderate speed into the moderately sized town. Through the town the driver winded until it stopped before an old diner. There they slowed to a stop. With a sigh the driver chained their bike to the bike rack before removing their facemask and goggles but leaving their helmet on. The man looked around the town and grumpily stepped into the diner. He moved to the far booth and sat staring out the window at the local denizens that moved about.

"Hey there, can I get ya anything… hey you're new around here aren't ya?" a tall red head asked with a smile. The man stared at her in slight shock before nodding. Then he cleared his throat.

"Ah yes, can I have a cup of coffee and plate of toast with jam on the side please." The woman dropped her coffee pot in shock.

"My god… you sound just like…" the red head shook her head and looked down at the mess at her feet."Um right… coffee. Toast. I'll go make another pot…" with that she turned away but she glanced back at the man before dashing into the kitchen. The man lifted his collar after glancing around. The red head returned with his coffee and toast. He gave no verbal response of thanks instead mowing down on the food dodging the waitress's questions until she was called away by another patron. After she walked away the man quickly stood chugging his coffee and stuffing another piece of toast into his mouth before throwing twenty bucks on the table and dashing out despite the waitresses shouts. He quickly unchained his bike and pulled out of the diner's parking lot onto the town's streets. He stopped to open up a map only to curse as he realized the map was out of date and he would have to talk to someone to get directions. A cop cruiser pulled up to him as he stood surveying the map.

"Can I help you sir?" a gruff female voice asked.

"Grenda?" the man said without thinking in shock. The female cop in the car looked at him in confusion.

"Erm… do I know you?"

"Um no! No! Officer can you direct me to the Northwest residence? It is of the utmost importance that I speak with the Northwest family immediately." The cop looked at the man suspiciously before she looked at his map.

"Well this map is old. The Northwest's haven't lived on the hill in almost twenty years. They live here now." She said pointing at the map. "Just go down this road and take the first left."

"Thank you officer. Goodbye!" the man said before he careened off in the direction the cop had pointed. The woman looked after him with a harsh frown even as he whipped out of her sight. On the road the man groaned at his own foolishness but took the first left. He drove down the lane until he came upon a large gate with an intercom. At the buzzer he pushed the button and began to speak.

"I have an important matter to discuss with the Northwest family."

"We don't let just anyone in vagrant! Go away!" the snooty voice of a young woman cried over the intercom.

"It's about the woman who disappeared overnight." There was silence for a few minutes before the intercom crackled again.

"Keep your voice down sir, and come inside." Said a somewhat elderly man in a whisper. The gate slowly creaked open and the man drove down the driveway. Once inside the butler took with coat and gloves but he kept his helmet on again. In the parlor a young woman could be seen arguing with her aging father.

"But who is the woman who disappeared overnight?"

"It's nothing to concern yourself with!"

"But how do you know her?"

"Pacifica I order you-"

"It's your great great great aunt on your father's side, Pacifica Northwest the first." The man said, announcing his presence. The young blond with jewel earrings stared at her father in shock as the head of the Northwest family glared at the man angrily.

"Wha… what?!" the young woman asked in shock. Her father silenced her.

"You should have left well enough alone sir. You have just made a very powerful enemy…" the elderly gentleman threatened. The man just blinked at him.

"Hardly. I've had worse. I require any information you have about Pacifica the first." The elderly man scoffed.

"You won't be getting any from me. Leave now good sir, before I call the police." The man paused, thinking back to the policewoman before and shook his head.

"Fine… I'll look for information somewhere else. Thank you for your time Mr. Northwest." The man said before he swept out of the room and building. As he climbed onto his motorbike the young woman ran out of the house.

"Wait!" she cried out. The man paused and looked up to her. "I think I know where you can get some information… maybe a few places." The man looked her up and down before he scooted forward and, after giving the bike a wince she climbed on behind him. With a great push the bike roared to life and the pair began to careen down the road.

"So where are we headed?" the man shouted.

"McGucket Manor! On the hill" the woman responded over the roar of the bike. The man nodded before he revved the bike and blond held on for dear life as they careened through the town and up the hill to McGucket manor. There they screeched to a halt and the woman stepped off the bike shakily. When she stumbled the man grasped her arm to steady her.

"Sorry, I forget that some people aren't accustomed to motorbikes." He said apologetically. The woman shook her head.

"No no, I'm fine." The woman insisted before they turned to the gates. Once again the man walked up to the intercom.

"Yes… who is it?" a bland voice rasped out.

"I'm a private investigator; I'm investigating a case pertaining to the Northwest family. I was directed here for clues." The gate buzzed and the pair entered closing it behind them and walked up the driveway.

"Huh… it's weird walking up the driveway… I haven't been here since I lived here… almost twenty years ago…" the woman said with an absent minded glance of the gardens. The man beside her made a non-committal grunting noise before they reached the door and it was opened but a boring looking man in a suit.

"Hello… oh, Mrs. Northwest… what are you doing here?" the boring man asked with a suspicious inflection. The woman puffed up a bit, blushing.

"I'm assisted this man in a family matter, it led us here… I'm not trying to steal the manor back or anything…" the woman insisted. The well-dressed man merely grunted before turning away.

"Well, feel free to look around officer; just watch that Northwest, they have notoriously sticky fingers." The woman made a noise like an angry cat as the boring man walked away.

"Ooooo! That McGucket! You know he's not even the one who got the fortune! He inherited it from his father!" the woman said with her nose in the air. "I on the other hand have four successful fashion lines! I don't need sticky fingers! Such tendencies are beneath me! Come on, let's look around!" with that the woman all but dragged the P.I. down the hall.

The woman threw up another cloud of dust as she moved books about the ancient library.

"Ugh… nothing in here mentions anything about a Pacifica the first… I can't believe my parents named me after a family member that disappeared. What if she was murdered? Or kidnapped?" the woman grumbled as she lazily flipped pages of an old family accounting book.

"Wait! I think I found something!" the P.I. cried from the back of the library. He came out from behind the shelves with a leather bound book in one hand and stack of papers in the other. He sat at one of the tables while Pacifica hovered around him.

"What the… 13-25, 4-5-1-18-5-19-20, 16-1-3-9-6-9-3-1;? It's just a bunch of random numbers…"

"No, they're encrypted messages. That string of numbers reads 'My dearest Pacifica;' and you see the signature at the bottom?"

"Y.B.B-C… who's that?"

"I don't know but whoever it was… well it appears they cared about Pacifica as more than a friend." Pacifica stared at the string of numbers, impressed at how quickly the P.I. had decoded it. The P.I., as if psychic, laughed "When you work in my field you learn to recognize codes and ciphers rather quickly, they become second nature like another alphabet." The P.I. insisted before he tucked the sheets of paper into the leather journal. As he tucked it into his coat the woman was struck with a sense that she had seen this all happen before.

"Um… hey… I know this is weird but… have we met before?" she asked with a frown. The man stopped and looked around shiftily.

"Um, no… I don't think so; unless you've been to L.A. you might have seen my picture in the papers there… I'm quite a renowned P.I. back home." The man said shaking his head. The woman chuckled a bit before she looked down sadly.

"No then… I've always meant to leave Gravity Falls… to chase after… well to move on… but I can never seem to leave for good… something always pulls me back…" the woman said cryptically. The P.I. looked at her with a raised eyebrow.

"Who are you chasing?" the woman gave him a weary look and the man rose a hand to his face. "Sorry. My mother always said I had an unstable curiosity. I suppose that's what makes me such a good private investigator, but I forget that sometimes thing should stay just that, private." The woman gave him a thankful look.

"Sorry it's just… well it's very personal." She said quietly. The man shook his head.

"No no, I understand, everyone has baggage." With that the pair made their way out of the manor. The boring man watched as they went glaring at the woman warningly, her returning the glare full force.

"Ugh… I really don't like that guy… I don't think I've ever seen him smile you know that?" the woman said with a sneer up at the large mansion. The man just chuckled and shook his head. With another great kick the pair where traveling down the roads through town again.

"So where are we going?" the man asked.

"618 Gopher Road! It's called the mystery shack!" the woman cried over the roar. Suddenly the bike swerved into the other lane. A car honked as the man quickly got control of the bike again. "WHAT WAS THAT FOR?!"

"There must have been something on the road." The man said shakily but he turned on the first left before the woman could even tell him to go down that way. She frowned further when the man turned down a little known road that cut the traveling time in half. After about ten minutes of winding through towering pines the pair screeched to halt in front of the tall wooden building. It looked a bit like a giant wooden tent surrounded by totem poles. The woman stepped off the bike and walked into the gift shop. The man stood for a second, staring up at the building. After a while he sighed and flipped his coat collar up.

"This is it?" the woman asked the elderly man who stood behind the counter with a maroon fez and bucked teeth.

"Afraid so, apparently he left specific instructions about what was to be destroyed and what was to be kept…" the man wearing the fez said with a shrug. The blond sighed.

"Well, maybe my friend will be able to sift through all the junk. Hey, come here!" the woman motioned to the P.I. He turned away from the cheap souvenirs and slowly stepped up to the box making sure not to look at the man in the fez.

"Hi there, I'm the owner of the mystery shack, I understand you're investigating some kind of mystery? Well you've come to the right place. This is a box of the old owner's brother's things. He was like, a huge mystery solver. I'm sure there's something in here that'll help." The man with the fez said. The P.I. didn't make a sound as he picked up a few notebooks and leafed through them. Suddenly the man tossed what he was holding aside and dug in vigorously before pulling out a strange weapon of some sort.

"I don't believe it! It's the ray gun! Ha! Never thought I'd see this again!" the P.I. said admiring the gun. He looked up and felt his face drain of blood. The fez wearing man was staring at him with wide eyes and an open mouth.

"Mr. Ford?" he asked in shock. At that moment the P.I. did the only thing he could think to do. He swept his arm across the counter knocking the box, all of its contents, and the display to the floor with a crash before he turned and bolted. He ran to his bike but as he fumbled with the lock the blond dashed out the door with a bang so he vaulted over his bike, knocking it over in the process and dashed into the woods. As he was running he paid close attention to his surroundings.

"Alright! Let's see if I still remember! Okay, metal tree! Left!" he veered to the left and jumped over a fallen tree. "Stream!" he hopped over the stream "Ha ha, I still got it!" then he tripped and rolled down a hill, but stuck the landing and was up running again. "Okay maybe not!"

"Hey wait!" the woman cried from somewhere behind him in the woods.

"Aw fish guts!" the man cried looking back. It was then that he tripped over a tombstone. He tumbled through a bush, ripping his coat more before he smashed his shoulder on another tombstone with a grunt. His helmet flew off and rolled into a nearby grave somewhere. He sat there, panting, clutching his shoulder when a shadow loomed over him. The blond was standing over him panting.

"What was that? You just… oh my god…" the blond stared at him in shock. The man sighed, leaning against the tombstone, accepting his inevitable fate.

"Dipper?"

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