A medium reveals to the press the location of the body of a businesswoman who has been missing for two years at the bottom of a lake. Her husband, with photos taken by a diver, asks to reopen the case. Cafasso and Pettenella find the car and the body in the indicated location. The autopsy excludes drowning, confirming murder. The investigation focuses on the victim's family and collaborators, revealing a complex picture of rivalries and tensions that include a fired employee, her husband and children.