Bill and Charlie attend the aftermath of a bank robbery, from which the robber escaped with a hundred thousand dollars leaving a trail of trauma in his wake.

Bill and Charlie investigate when the remains of a body are found buried in the foundation of a derelict house. The hands and teeth have been removed by the killer to reduce the chance of identification. Bill finally identifies the body only to discover that the serial bank robber he has been hunting has been using the identity of the mutilated body in the foundations.

McCoy, Kate, and Charlie investigate the murder of the wife of a wealthy importer and identify the husband as a prime suspect.

Confusion reigns as Vince receives his blood test results — these results force him to confront his father about his background, which also unravels secrets and deceptions. This revelation sends him on a quest to uncover his Aboriginal ancestry.

Kate has raised with Charlie the question of marriage. In spite of his feelings for Kate, Charlie is freaked out by this. His anxiety is heightened considerably by The Mask investigation — his personal involvement in the hunt for a sexual psychopath who preys on young men.

Kate is annoyed when Charlie releases her counterfeiting suspect, his friend and informant, prostitute Roxanne Tate, from custody without consulting her. On her way out of the station, Roxanne sees one of her main clients — a man she calls the Silver Medallist — better known to Charlie as Graham Holbeck, Kate's father.