Two men have been branded and sodomised by someone. Is there a connection between these men, and what nut case is on the loose?

A rape and murder investigation puts the detectives lives at risk.

Undercover FBI agent Dana Lewis returns to help the detectives with a case.

With young Calvin in her care, Detective Benson continues the search for his drug-addict mother, Vivian, but Detective Stabler notices a strong bond forming between Benson and the boy. When Vivian’s name comes up during a rape investigation, Captain Cragen assigns Detectives Fin and Munch to the case instead. However, it will take more than Cragen’ s orders to keep Benson away.

A young boy is found dead on a park carousel after being dropped off by his uncle Joe Gilbert. When Detectives Benson and Stabler learn that the boy was beaten to death they suspect that it could be the result of a bully at school. The investigation leads to an unsettling gambling ring. Detectives suspect that Gilbert's acquaintance, Joe Roberts is beating his wife Sandra and the case takes a horrifying turn.

A young man finds that his girlfriend Larissa Welsh has been attacked in her apartment with evidence that points to her buried past. Detectives Benson and Stabler go in search of her attacker and discover that an elderly man, Orville Underwood, may have been involved in traumatic events of Welsh’s past. For the detectives, solving the case comes down to who was in possession of the evidence.

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 it is discovered that a teenage girl is suffering from Post Traumatic Stress Disorder due to sexual abuse, all leads point to billionaire Jordan Kress. As Detectives Benson and Stabler continue to investigate, Kress involves his lawyer, Dwight Stanitch, who throws the whole case awry.

After the sexual assault of a young woman is videotaped and featured on a campus-wide intranet feed, detectives Elliot Stabler and Odafin "Fin" Tutuola go in search of the victim and her attacker. As they delve into the investigation, it becomes clear that the perpetrator created a spectacle to draw attention to his own issues.

A grifter named Cassandra strikes swinging men who frequent sex clubs.