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.

When a young girl is found dead with a doll that is believed to have been left as a totem, detectives Benson and Stabler team up with Captain Jackson, a psychologist who assisted them with a recent case, to investigate her murder. Jackson joins the detectives as they retrace the girl’s last steps and go to meet with her piano teacher June Frye. Jackson’s skills prove to be invaluable in deciphering the meaning of the totem and ultimately finding her killer.