A young woman, in order to rid herself of her fear of the boogeyman, checks herself into a mental health facility. However, she realises that her fears were better left buried.

A wealthy entrepreneur secretly creates a theme park featuring living dinosaurs drawn from prehistoric DNA. Before opening day, he invites a team of experts and his two eager grandchildren to experience the park and help calm anxious investors. However, the park is anything but amusing as the security systems go off-line and the dinosaurs escape.