 Rita and Dana Lund s marriage is in a crisis, Rita s frustrated from being just a housewife. To save their marriage, they set out for a camping trip through California with their son. At a camping site they meet the hitch-hiker Eric, who befriends their son. Against Rita s will, Dana takes him with them, not knowing that he s a brutal psychopath who ll force their son to participate in his nightly trips of vandalism.