Wrong Turn 4 - Bloody Beginnings

Horror prequel in which a group of teenagers take shelter from a blizzard in an abandoned sanitorium, not realising it is home to a group of inbred mutant cannibals.

As they begin to explore their surroundings, the teens soon realise they are in deep trouble, when one by one they fall victim to the gruesome exploits of the three cannibals known as Saw-Tooth (Scott Johnson), One-Eye (Dan Skene) and Three-Finger (Sean Skene).