Detectives Benson, Stabler, Fin and Munch face serial killers, self-proclaimed psychics and cult leaders as they investigate crime in New York City.
The unit's gut-wrenching cases include a schoolyard shooting of a child, a shady dating service and a shocking revelation regarding Tutuola's son.
Stabler confronts his own demons when his daughter is caught with drugs, and Benson follows connections between an abused child and an attack on a woman.
A new ADA joins the team, a crime scene photo of a murdered teen goes viral and Stabler tries to prove Benson did not murder a biker.
Season 13 dealt with the departure of Detective Elliot Stabler from the Special Victims Unit after a shooting in the squad room.