When a young mother goes missing, her husband joins the search. Police discover her dismembered body in a stack of bins. Detectives find her husband to be a typical suburban dad, but learn a murderous psychopath lurks within.

After the shooting deaths of father, mother, and two adolescent boys in their suburban Baltimore home, investigators realize it's not a robbery gone wrong but rather the execution of a loving family, done by a callous and calculating psychopathic killer.