Hey y'all! So I watched Source Code again the other night, and I got this idea that won't leave me alone. I know, I know, someone is gonna ask me "How is it possible for Christina to relive the experience like Colter did?" Well, I'm using my imagination and pretending that like in Edge of Tomorrow, Sean's blood from the first time Colter died beside her gave her the ability to relive the same day. It's an idea, and please don't be critical of it. For all we know, all the passengers on that train could have remembered too. I dunno. I'm just shooting for an interesting story here, that's all :)

Christina looked over at Sean, who was gazing out the window. She felt like she was having deja vu, and the feeling just wouldn't go away.

"I took your advice," she said, making Sean look at her. "It was very good advice." She smiled at him. He stared back at her blankly.

"Sean?"

"Hm?" he asked.

"Did you hear me?"

"Yea. My advice was good," Sean nodded. Christina watched him carefully. There was something...different about Sean today, but she couldn't figure out what exactly.

"Are you okay? You look sick," she noted. He started looking wildly around him, and he jumped when the woman passing spilled coffee on his shoe.

"Oh dear," Christina said, pulling out kleenex and bending to wipe it off. "She does that a lot it seems." It had happened yesterday too. Or at least, she thought it had been yesterday. She frowned to herself. It was almost too exact to have happened twice in a row. Christina looked around the train car, examining the other passengers. They looked familiar too. What was going on?

"It's the same train but different," Sean murmured.

"That's deep," Christina laughed. "I hope it's different."

"You're the distraction," Sean said suddenly, grinning like he had discovered something.

"What?" she asked, confused.

"Every simulator has one," Sean muttered, looking at everything with great interest.

"Simulator?" she questioned as the ticket man punched a hole in Sean's ticket.

"Excuse me," Sean said, getting up abruptly after the ticket man had left. Christina watched him leave with interest. He headed for the bathroom. She immediately dug into his bag. Maybe she didn't really know Sean as well as she thought. They did, after all, only ride the train together. Yes, what she was doing was wrong, but she had to know. Unfortunately, she didn't find anything except his day planner where her name and the word coffee were circled three times.

...

He looked in the mirror, sweat beading on his forehead. The bomb. Gotta find the bomb. He searched the room wildly. Then he spied the grate not completely shut. That had to be it. He climbed up and shoved it open, finding a very big, very scary looking bomb.

"Goodwin, how do I disarm it?" Colter asked. He didn't get a response. "Should I unplug it or leave it?" He eyed it, feeling like he didn't want to get blown up just yet.

"I'm gonna leave it," he said, climbing back down. He went out and down the aisle. He grabbed his wallet, which told him he was a Sean Fentress, and immediately started acting like some kind of agent, instructing people to turn off their cell phones and laptops. He got some flak, and people started yelling at him, and Christina kept trying to make him sit down.

...

He punched someone in the face! Sean! Christina stared in horror.

"I think you broke his jaw!" she gasped.

"It's okay. He's no more real than you are," Sean explained to her.

"I'm not real?" she asked, confused. Then she got mad. "Drive yourself to work next time!"

"There won't be a next time," Sean said. The roar behind them made Christina whirl her head around. The ball of flames engulfed them both, and then it was black.

...

Christina opened her eyes and saw Sean sitting across from her, looking out the window. She felt her heart begin to race. There was that deja vu feeling again. He looked at her again with a smile.

"I took your advice," she said. "It was very good advice." Holy crap! I knew I was gonna say that! Christina's mind was whirling. She darted her eyes around to the other passengers. They all looked familiar. When the woman spilled coffee on Sean's shoe, her mind was made up. She was reliving a train ride. So that made her what, asleep? Stuck in a dream? How could she wake up?

"You all right?" Sean asked her, looking concerned.

"Huh? Yea," she answered. She was freaked out and trying to remember how to wake up from a dream. Pinch yourself? Ow! Nope.

"You sure?" Sean asked again. His voice seemed faded.

"I'm fine," she said hurriedly. No, she was darn well not fine, but Sean would never understand what was going through her mind right now. The ticket man approached them.

"How are you today?" Sean asked. "Anything odd or unusual on this train this morning? Weird people? Strange comments?"

"Just you," the ticket man grunted, giving him a look before walking away. Christina examined Sean. Why would he be asking if anything was odd or unusual? He noticed her looking.

"Hey, come here," he said, gesturing. She hesitated. "Come on! Come here." He patted the seat beside him. She moved over to sit next to him.

"What?"

"Think of it as a game," he said. "Look at these people. Does anyone seem abnormal?"

"They're all normal, Sean," she laughed nervously.

"That's what's terrifying," Sean muttered. They both saw a man come out of the bathroom.

"Has anyone else come out of there today?" Sean asked her. She gave him an odd look.

"Yea. You," she answered.

"Me?" he asked, suddenly scared. "Really? Me?" He dived into his bag suddenly, pulling out a day planner. She saw her name written in there. She blinked. That was familiar. She had seen that before. It was circled three times.

"Coffee with Christina?" Sean read to himself. "Christina?"

"Yea?" she answered. He looked at her, and she saw it dawn on him that that was her name. How did he not know her name? The train slowed, getting ready to let people off.

...

Colter sensed something about Christina that he couldn't figure out. He saw the man from the bathroom get up to leave the train, and he wanted to follow.

"Hey, come on," he said suddenly. Christina looked at him oddly.

"This isn't our stop," she laughed nervously.

"I know, but let's be spontaneous," he suggested. "Come on! Let's get coffee now."

"Are you sure?"

"Yea! Grab your stuff," he said. He didn't want to let the man out of his sight. She obliged and he took her hand.

"You want to get coffee now?" she asked again.

"Yes. I really don't have a good feeling about this train," Sean answered. Christina felt something in her memory, something loud and bright and hot. She didn't voice it. They got off the train, and he gestured for her to sit.

"I'll be right back," he said. "Then we'll get that coffee." She watched him trail after the man from the bathroom, and her gut started to feel sick. After a few minutes, he came out yelling at the man, and they started fighting. Christina tried to intervene, but she couldn't make him stop. An explosion sounded off in the distance, and they all stopped while Sean stared at the fiery ball in the sky.

"It wasn't you," he said to the man, stunned. Christina looked at him. What did that mean? Sean started tussling with the man again, who shoved him back, and Sean fell backwards onto the tracks below, hitting his head. A train's horn sounded a few feet away.

"Sean!" she screamed. "Get up!" The train was coming faster now. The man beside her was shouting at him also. Sean was lying on the tracks, holding his head and moaning.

"Give me your hand!" the man beside her shouted, reaching. Christina screamed in horror as the train struck Sean at full force.

...

Christina opened her eyes and saw Sean sitting across from her on the train. She sat up boltright in her seat. How could this be? She had seen him die right in front of her eyes. She closed them tightly now, trying to remember. What had happened next? Why couldn't she remember what had happened next?! She opened them again and stared at Sean, who was looking back at her.

"You're still here," he said numbly.

"Of course I am," she answered, feeling scared now. Was Sean experiencing the same thing she was? How could she even ask him without freaking him out? Her mind buzzed. Images flashed in her mind. Explosion. Heat. Pain. Screaming. Dying. Then she was back here. Something very, very strange was happening to her, and she had no idea who to even ask for help.

So what did you think? And please don't be harsh!