Dr. Eric Parrish, newly a single father, is trying to hold his personal and professional lives together. His latest patient is a teenaged boy who is disturbingly obsessed with a girl. Before Eric can report the boy to the authorities, potentially breaking doctor-patient confidentiality, a sociopath strikes, seemingly targeting Eric, his practice, and his family. Eric will have to use his knowledge of psychology to stop this murderer before he can enact his final plan.