Law & Order: Special Victims Unit - Season 12 - Eps 13: Mask
Debbie Shields comes home to find her partner Ann Jackson being raped by a man wearing a haunting mask. Shields contacts Ann's father to notify him of her critical condition. As detectives Benson and Stabler interrogate Ann's father, Captain Jackson, his sordid past is revealed filled with sexual and alcohol addiction. Jackson's new role as a sex therapist is hindering the detectives from getting the information they need to solve the case and if Jackson won't comply, the detectives are going to have to get creative.
About Law & Order: Special Victims Unit

Title: Law & Order: Special Victims Unit
First Air Date: 1999-09-20
Last Air Date: 2025-05-15
Status: Returning Series
Rating: 7.936/10 (from 3970 votes)
Language: EN
Seasons: 27
Total Episodes: 573
Network: NBC
Genres: Crime, Drama, Mystery
Production Companies: Wolf Entertainment, Universal Television, Studios USA, Universal Media Studios
Synopsis
In the criminal justice system, sexually-based offenses are considered especially heinous. In New York City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Unit. These are their stories.
Cast

Mariska Hargitay
Olivia Benson

Ice-T
Odafin 'Fin' Tutuola

Peter Scanavino
Dominick 'Sonny' Carisi Jr.

Octavio Pisano
Joe Velasco

Kevin Kane
Terry Bruno

Juliana Aidén Martinez
Kate Silva