After a crime scene photo of a murdered teenage girl rapidly becomes an Internet phenomenon, the police initiate an investigation with the victim's father, Greg Dunne. When Greg points the detectives towards Martin Gold, his daughter's suspicious therapist, it turns out that Gold's alibi is airtight. While Fin and Munch are busy tracking down the girl's stolen credit card, Dr. Melinda Warner and Detective Elliot Stabler discover that one of Gold's other patients has broken into the morgue. The case takes an unexpected turn, revealing a sinister prescription for murder at the hands of unlikely suspects.

While in the park, a family stumbles upon the sexually mutilated body of Clyde Vandyne, a member of a biker gang known for prostitution and contract killing. To everyone's surprise, incriminating DNA evidence points to Detective Benson as the prime suspect. Munch and Fin investigate the murder, while Stabler fights to prove his partner's innocence. The detectives must find the missing link to both Vandyne's murder and Benson's involvement. A