Ignoring an ancient prophecy, evil brother Gregor seeks to maintain his feudal power on his his Tyrolean estate by murdering and impersonating his benevolent younger twin.
It follows a college student as she boards a party train for Halloween, and ends up fighting for her life when a mysterious assailant begins killing the people one-by-one.
In an underground facility, five scientists wake from cryosleep with no memory of who they are or how long they've been asleep. They soon make a shocking realization: a killer is hunting them down there, and may even be hiding among them.