Frank goes undercover in a psychiatric hospital to find a woman's missing fiancé.

A ghost trapped between this life and the next befriends Frank which makes Jessica jealous.

Frank's search for information about Simon leads him to the FBI where Simon had worked. This probing into his past angers Simon. When fellow lawyer Nicholas Trenton goes to Jessica's house for a date Simon invades his body. Trenton/Simon later attacks Jessica and Frank is able to rescue her and eject Simon from the lawyer.

The evil spirit of Simon taunts Frank as a murdered woman's ghost seeks out her husband and the hit man he hired. Frank tries to learn more about Simon.