A/N: Shoutouts to my amazing artist, Stormbrite, who somehow didn't kill me for all the dumb edits I asked for. Also my gang of betas I recruited at the last second: jennytork, anibutterfly, lillelouis, hollyhobbit101 who were spectacular and caught so many of the silly things I did and gave me great advice. You guys are the best!

So as a quick caveat before you start reading: this is Supernatural set in the Firefly universe. No characters from Firefly are involved, this is entirely focused on SamnDean. Spoilers for both shows, obviously. I did my best to explain aspects of the Firefly universe for anyone who hasn't seen that show (which, well, you should go now and watch it crazy) but chances are there may be a few things that are still confusing. If ever confused, think cowboys in space.

I also want to go ahead and apologize for my crappy chinese. Chances are pretty high that some of it's wrong, since I'm only going off of a few semesters of chinese in undergrad and google translate. Yeah, not proud of that.

Anyway that's all for now: enjoy!

"Here's how it is: Earth got used up, so we moved out and terraformed a whole new galaxy of Earths, some rich and flush with new technologies, some not so much. The Central Planets, them as formed the Alliance, waged war to bring everyone under their rule; a few idiots tried to fight it, among them my father. I'm Dean Winchester, captain of the Impala. She's a transport ship, Firefly class. Got my brother ridin' on with me, piloting and keeping us flying. We're looking for answers, keeping an ear out for our father and hunting down some reavers along the way. You got a job, the Winchesters can do it; don't much care what it is."

"G'night, sweetie." Mary kissed John softly and he smiled at her.

"We flying in a week?" he checked.

"Uh huh. Take Sammy on his first tour of the 'verse." She grinned at her husband.

"Won't that be somethin'. Ain't been more than six months since we settled down for a spell, but I'm itching to get moving."

Mary's smile faltered. "It's been six months?"

"Next week, actually."

"John, us flying out . . . you promise not to stir anyone else up?"

John played coy. "I don't know what you mean."

Mary sighed. "Sweetie, you still wear the Independence brown coat, and your gorram cocky manner . . . Something's gotta give so you don't get our boys in trouble."

John stood and reeled Mary in to his arms. "Alright, I promise. No getting in fights with the locals on this job."

"Or the feds?" Mary checked.

"Or the feds," John said agreeably.

The sharp ring of the doorbell made Mary jump, causing John's eyes to narrow.

"You're a mite twitchy this evening," he commented.

Mary managed to find a smile. "Guess I'm a little nervous about taking jobs again, with two boys instead of one."

"Mmm. Should I get that?"

"I've got it." Mary couldn't fight the feeling of trepidation in her stomach as she went to the door. She knew what they wanted, and she wouldn't give in. Not anymore.

"It is time for Samuel's treatment."

The black coats and blue gloves didn't scare Mary, but they did make her realize her precarious position. "No."

"You would refuse us?"

"We're leaving next week, so it's not an issue anymore, anyway. Besides, you had him for three nights, and you said you just needed Sam's blood for the initial tests." Mary didn't blink at the man's cold gaze, though her eyes watered.

"I see. Zai jian." The two of them bowed, leaving Mary uncertain and slightly lost.

"Who was it?" John called.

Mary swallowed. "Nobody, dear."

The night was dark and silent, meaning that the distinctive, electronic noise of an opening window was loud. Mary was out of her bed in a heartbeat, stopping by Dean's room momentarily to ensure he was there before moving to Sam's.

The figure she saw was expected, but not welcome.

"You," she spat.

The man smiled. "You should've left well enough alone, Mary Winchester," he said softly. He snapped his gloved fingers.

The last thing she knew was Sam's cry.

A/N: This story is very much a labor of love; I've had bits and pieces in the works for years now, but never worked up the courage to post. Combining the Winchesters and Firefly . . . two of my favorite things. To be honest, I wanted this to be an epic 100k story, but it was not going to happen, so I decided instead to give myself a deadline through the SWBig Bang and go from there. Please let me know what you think! and Enjoy :)