Author's Note: I've never done a crossover before and I honestly don't know what possessed me to do this one. I have no idea how this is going to turn out, or if it will even be any good. I figure on it having around six to eight chapters before it's done and I will try to get at least one per week posted.

Chapter 1

"So it's true?" Arius asked.

"It's unbelievable, is it not?" David said. "The US government has been running this program for nearly ten years. Their security is so good not even we found about it until now."

"And it was pure good luck, at that," Arius said. "I'm surprised you were able to get the lycan to talk."

"I have my little ways," David said. "Still, what the lycan told us is disturbing. There's no telling what they might do with their newfound knowledge if we don't stop them."

Arius nodded. "We need to get someone inside."

David grimaced. "I have no idea how we're going to do that. The need to know hook that the US military has hung on this one is going to be a brass-plated bitch."

"I think there's a way," Arius said. "The installation we need to infiltrate is a multi-national expedition. We have enough influence in the European Union to get someone in I think."

"The problem," David replied, "is that we need to send one of our own if this mission is to have a chance of success. Unfortunately, whoever we send will be under a military command structure. Getting orders to report for work during the middle of the day would pose a bit of a problem for our kind."

"I think I might know someone who could handle it," Arius said.

David looked at Arius with disapproval. "Forget it. She won't do it."

"Can you think of anyone else who might be suited to it?" Arius asked.

David sighed. "No."

"We should at least try," Arius pressed. "I know she's your friend and you care about her, but ask yourself this: what are the consequences of the lycans succeeding?"

"Nothing good could come from it," David replied.

"Everything she's fought for, everything we've all fought for, could be for nothing," Arius said.

David sighed. He didn't want to do it, but Arius was right. "I'll call her."

XXXXXXXXXX

"Thank you for coming," David said.

Selene stomped down the hallway, her boots thudding against the concrete floor in an angry cadence. She didn't even look back at David. "I trust there's a good reason you called me off my search?"

David sighed. "I know how important finding Michael Corvin is to you—"

She stopped short and speared him with a deadly glance. "No, David. You most assuredly DO NOT know how important that is to me!"

David put his hands up in a placating gesture. "I'm sorry."

Selene resumed her angry walk towards the meeting hall. She reached the two towering wooden doors, each engraved with beautiful artwork depicting important events in vampire history. She ignored the artistry and shoved the doors open. "Arius," she said without preamble. "Why am I here?"

"We need your help, Selene," Arius said.

"Solve your own problems, Arius," she snapped.

David sighed. "The lycans have found something extremely dangerous. It could mean the end of our species."

Selene sighed. "That's a bit melodramatic, don't you think?"

"This is going to be a bit hard to believe. The lycans have become aware of an alien lifeform with some vampiric qualities," David said.

"Alien?" Selene asked. "As in, not from this world?"

David nodded. He opened a manila folder and handed her a few still photos. Selene took them, examining the first one. The photograph depicted a man, or at least she assumed it was a male from its proportions. While it looked more or less human in a general sense, even a cursory glance would inform an observer it was anything but human.

The being had light green, leathery skin and predatory eyes that reminded her vaguely of a fully transformed lycan's eyes. It had long, silken white hair and razor sharp teeth.

"This," David said, "is the alien lifeform in question.'"

"And it's really not from Earth?"

"Correct. We're not exactly sure where they're originally from," David said. "And it's not the only alien that the top secret project the mortals are running have encountered, although it's the one we're most concerned with."

Selene shuffled the still photo to the bottom of the stack. The next photo showed a close up of one of the aliens' right hands. Her eyes widened at the slit-like structure. "That's how they feed," David said. "Best we can tell, it operates not unlike a parasitic insect. It attaches to the prey and injects a chemical that prepares the prey to be fed upon. Among other things, it temporarily enhances the prey's strength and resilience, as the feeding itself is apparently highly traumatic. The enhancement effects of the chemical ensures the prey lives long enough to be fully fed on."

"Does it drink the prey's blood?" Selene asked.

"No. We're not too clear on the exact chemical mechanism. It might be simpler if I just showed you," David said, motioning towards a wall mounted flat screen at the far end of the conference room.

David inserted a DVD and started the playback.

The film was amazingly clear for what appeared to be the film from a soldier's personal mission cam. She knew some military units were using that technology these days, but she wasn't aware it had gotten so good.

The camera showed what was clearly one of the aliens, facing a bound human who was wearing military battledress. The alien was speaking to the human, but Selene couldn't hear what was being said, as the camera's audio recording equipment just wasn't good enough. The human apparently said something the alien didn't like, and she (this alien was clearly female, at least judging by human standards) slammed her open palm against the man's torso. The man screamed like a damned soul, convulsing under the assault like he'd grabbed a live electric wire. The victim's skin wrinkled and his hair turned white. After a scant few seconds, the alien released the man and he had appeared to age decades in only seconds. The view of the camera shifted, and a gunshot rang out, killing the now old-looking man.

"My God," Selene said.

"They feed off of lifeforce. No need for blood, and their strength and resilience is greatly enhanced for a short time by the feeding process," David said.

"How is that even possible?" Selene asked.

"We don't know yet," David answered. "The lycans are interested, however, which means we need to know what they know. We believe they've already got at least one agent inside the organization that studies these aliens. Given the inherent difficulty we have in infiltrating lycan packs..."

"You need someone to infiltrate the mortals as the lycans have," Selene finished. "And since I'm the only known vampire alive that can tolerate sunlight, I'm the logical choice."

"Yes," David said.

"I'm busy," Selene said. "My own daughter is 12 years old and she's never so much as met her father. Find someone else."
"Selene, you're the best we have," David said. "No one else has even a prayer of doing this and maintaining cover among the humans."

Selene turned to walk away, but David stopped her. "Please. We know that the lycans are trying to capture a live specimen. Given the aliens' vampiric qualities...there is concern they're working on something, a biological weapon most likely. A lycan final solution."

"What makes you think they could actually create something like that?" Selene asked.

"We don't know for certain that they can," David replied. "But it is conceivable, and we can't afford to find out the hard way. Look, I know you're in a bad place right now, but what if the lycans succeed? Your daughter..."

Selene closed her eyes and reigned in her temper. David was hitting her where she was weak, damn him, but he wasn't wrong either. She sighed, making her decision. "You can't infiltrate me through normal mortal channels. Lycan agents will likely know I'm coming before I even get there. I will go in completely covert."

"We can't do it that way," David said.

"Why? I've gotten into more than one military installation in my time," Selene said.

"You can't get to it without going through the humans," David said. "The primary installation where the research is taking place is on another planet."

"What?" Selene asked, incredulous. "Another planet?"

"Yes," David said. "And the humans control access to it." David handed her another manila folder.

"We've built you an identity. You are Doctor Andrea Shackleford, an Oxford University research scientist. The identity's listed expertise matches up with your own, so maintaining your cover should not be an issue. We've got all your travel papers and a briefing packet explaining everything you'll need to know already prepared," David said.

"Weapons?" Selene asked.

"Security is too tight," David said. "There's a military presence at the installation, so you should be able appropriate small arms if needed, but we won't be able to smuggle in any silver nitrate rounds. Just gather information. Avoid the hostile lycan agents if possible. If we can gather sufficient information on the aliens' biology, that should give us enough to figure out what the lycans are doing and counter it."

"Here's the tough part," David said. "Contact is only made with Earth once a month, so once you're there, you will have to avoid the lycan agents for that long."

"Alright, fine. I'll do it. Now, how am I getting there?"

David handed her another glossy photograph. "Through this."

Selene examined the clear black and white photograph. It depicted a large ring made of something that looked like stone. There was ancient writing all over the ring, some of it obviously Egyptian, though some of the symbols looked surprisingly similar to the ancient vampire language.

"The humans call it a Stargate," David said. "Better start studying the briefing materials, there's a lot there. I suggest you keep an open mind about it, because it reads like a science fiction novel."