When a polygamist's wife is murdered, he believes it's related to a recent criminal case he was testifying in, but detectives believe it may be connected to his culture.

A teenage girl’s death exposes a human trafficking ring and leads detectives Olivia Benson and Elliot Stabler to team up with an old friend at the U.S. Attorney’s office.

Detective Saliyah "Sunny" Qadri goes in search of Brooklyn District Attorney Page Ferguson, who she fears may be in danger. Qadri finds Ferguson just in time to witness her fall from the top of a parking garage. When Benson arrives, she discovers that the crime scene has been tampered with. Benson turns to an old friend, Assistant U.S. Attorney Christine Danielson for help. As the investigation progresses, Benson begins to question Ferguson’s suspicious past and Qadri’s involvement in the case.