歷經喪妻之痛的查理購入了一台中古露營車,決定帶著家人來一趟家族旅行。然而,查理一家人很快就會地就了解發現這台露營車彷彿有生命一般,而他們將一個個死於其中……。Charles has purchased a vintage RV with the hopes of taking his family on a road trip to reconcile with his two sons, a promise he made to his wife before she recently passed. His oldest son, Steve, his wife Jennifer (Denise Richards), their daughter and family dog, are excited for the excursion, however, his youngest son Jay is less than enthusiastic. Along the way, the family picks up Samantha (Mischa Barton) and her brother, broken down on the side of the highway. Before they get them to a service station in the next town, however, Charles insists on taking a detour into the desert to visit a landmark and they soon get lost. Now stranded in the desert, the unsuspecting group is blindsided by the terrible secrets they discover within the walls of the RV and find themselves in the fight of their lives.