Grace Rhodes, who's studying for a doctor, returns to her as the local kids are afflicting. The symptoms include a fever and migraines, but even weirder is what goes on 24 hours later: All people who have the illness claim they are some one then they begin killing the grown-ups. After the menacing metamorphosis is undergone by her sister, Grace comes to believe there is some connection into a wicked cult figure who could be returning from the tomb.