Lisby Larson

When a prominent doctor is murdered and his wife (guest star Lisa Eichhorn) is raped, Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) look to the dead man's estranged and troubled son from a previous marriage and a disgruntled former patient as likely suspects. But when the same rapist attacks the dead doctor's former mistress (guest star Liza Weil), a complicated series of relationships and events begins to unfold, as both the wife and mistress face unexpected scrutiny.

Goren and Eames turn to a forger to help solve the double homicide of a museum curator and art authenticator.

The death of a show horse seems a more likely case for the ASPCA then Briscoe and Curtis, until a shady horse dealer is accused of selling sick horses to unsuspecting, older investors. Later, Kincaid and McCoy push for a conviction when the horse's owner disappears and is presumed dead.