A troupe of struggling stage actors is rehearsing for a small-town production of a play. Everything seems to be as it should until one of the cast members turns up dead. In a panic, the others try to get out, only to find they are now locked in the theater with the killer! Which one of them committed the murder, and who will get out alive?。大学生凉子和茜在登山回来的途中迷路,好不容易走到公交车站,却没有任何公交车经过。于是两人决定搭便车回去,虽然找到便车的机会很渺茫,幸运的是,有辆露营车停了下来。一名自称是乔治的男子很乐意送她们一程。两人上车后才发现事有蹊跷。与此同时,厌倦父母过度保护的健,也与他的伙伴搭便车穿越同一座山…。