In Texas, the aspirant actress Nicole Carrow runs away home to Los Angeles with her boyfriend Jess Hilts. They drive through a shortcut in an old road, and when they park in a rest stop, Jess is abducted by the sadistic driver of an old yellow truck. Along the night, Nicole is threatened by the sick maniac, while mysterious things happen to her in the place.

Academic freedom is being suppressed, says Ben Stein. He contends that professors from around the United States are being fired from their jobs for promoting, or even exploring the possibility of, intelligent design as an alternative to Darwinism. Stein interviews the expelled academics and other supporters of intelligent design. He also interviews the scientists in the mainstream, who support Darwinism. Stein links Darwinism to Nazism, Communism, eugenics and abortion. Vintage clips of educational films and Hollywood movies are used to illustrate points in a satirical way.

A young mother decides to become a stripper to earn some fast cash only to find her worst nightmares are about to begin.

While camping in Jasper Park up North California, the couple Tom Alan Smithee and Gwen Marie Holden are attacked by a group of strangers; Tom is immediately killed and Gwen is abducted by the men to an underground facility to breed. A couple of months later, in Los Angeles, the manager of a video game company Johnny Dash invites the employees Adam Benson, Lee, Maggie, Perry, Chris Basso, Paul and Mike Chen to participate in a 'Battle Royal' paint-ball game at a corporate retreat in the Jasper Park to practice executive tactics. When they arrive at a gas station, they refuel their trucks and see a poster saying that Gwen and Tom are missing since 30 February 2008 and have been last seen in Jasper Park. They head to a former military reservation area in the national park and camp. During the night, Adam has the sensation that the group is under observation and he unsuccessfully warns his colleagues...

The corporal Tom Hilts returns from overseas to his hometown Argyle, Texas, for a ten days leave with the intention to seek our his brother Jess, who disappeared one year ago while heading to California with his girl-friend Nicole. He travels in his truck with his girlfriend Marilyn and followed by his friend Jared in his old car to California trying to track his brother. While in the old highway California, Jared needs to stop his car in an old rest stop to go to the toilet and is attacked by the driver of a yellow truck. Meanwhile Tom and Marilyn wait for him in the next rest stop where Tom is also attacked and kidnapped by the driver of the yellow truck. Marilyn sees the ghost of Nicole in the restroom and realizes that they are facing supernatural evil forces.