Allison encounters a psychopathic doctor who raped and murdered numerous teenage girls years ago. After learning that an evil soul has been possessing people, she sets forth to stop it before a new victim is found. Meanwhile, Ariel's math teacher accuses her of cheating and Joe steps up to her defense.

The spirit of the Dr. Charles Walker (from "Penny For Your Thoughts") is back and after Allison's daughter Ariel.

A serial killer from the past begins to possess people so he can kill again. Allison races against the clock to save his next victim, but she becomes a target in the process.