Samantha MacKenzie, the daughter of the president of the United States, arrives at college with a group of Secret Service agents. Samantha, however, resents their presence and decides she wants to attend school just like a normal student. Her father agrees to recall the agents but secretly assigns James, an undercover agent, to pose as a student.
Three young people on a road trip from Colorado to New Jersey talk to a trucker on their CB radio, then must escape when he turns out to be a psychotic killer.