S14, E23: Detectives Benson and Amaro (Mariska Hargitay and Danny Pino) are called to the scene when an unconscious woman with signs of physical trauma is found in a river near the Mayor's home. With the victim in a coma, the squad races to identify and account for her prior whereabouts. They uncover a wild side to an otherwise normal wife and mother, and the investigation reaches an unsettling conclusion.