When a young couple is found murdered in the back of a padlocked truck, Detectives Olivia Benson (Mariska Hargitay) and Elliot Stabler (Christopher Meloni) investigate the scene and link the male victim to a dangerous Mexican drug cartel. Benson and Stabler follow a lead to an abandoned drug den where they are surprised to see FBI Special Agent Dean Porter (guest star Vincent Spano), who is separately working on the case. watch