Chris crashes into a carload of other young people, and the group of stranded motorists is soon lost in the woods of West Virginia, where they're hunted by three cannibalistic mountain men who are grossly disfigured by generations of inbreeding.

In 2176, a Martian police unit is sent to pick up a highly dangerous criminal at a remote mining post. Upon arrival, the cops find the post deserted and something far more dangerous than any criminal — the original inhabitants of Mars, hellbent on getting their planet back.

Following Jigsaw's grisly demise, Detective Mark Hoffman is commended as a hero, but Agent Strahm is suspicious, and delves into Hoffman's past. Meanwhile, another group of people are put through a series of gruesome tests.

Joanna Eberhart comes to the town of Stepford, Connecticut with her family, but soon discovers there lies a sinister truth in the all too perfect behavior of the female residents.

A crazed scientist experimenting with a rage virus on innocent victims in a laboratory in the woods. When his monstrous subjects escape and vultures devour their remains, they became mutations seeking to feed on humans.