A man comes into possession of an ancient Aztec doll. However, the doll is possessed by an evil spirit, which takes over his body.

Amanda’s deathbed request to her son, John, was for him to destroy all the lab notes etc. from her last experiment. She also blurts out he had a brother. At the funeral John meets Melissa, who claims to be his mother’s biggest fan. Together with some of John’s friends they go to Amanda’s house, but none are prepared for what they find there.

A crazed killer stalks college students who gave up their vacation to clean a deserted dormitory.