A group of twenty-something friends are marooned on an uncharted island after their boat crashes. They quickly become aware they are not alone, as they find themselves being killed off by a group of ancient humanoid creatures.
A gang member, suffering from severe memory loss, searches for his brother's murderer. He secretly enlists the aid of the investigating Detective, while other members of his gang are mysteriously and sadistically murdered.
A comedy set in the summer of 1987 and centered around a recent college grad (Eisenberg) who takes a nowhere job at his local amusement park, only to find it's the perfect course to get him prepared for the real world.