When the remains of a young woman are found buried in an apartment courtyard with a collar and leash, Stabler and Benson determine that the dead woman is Ava Parulis, a Romanian immigrant who was brought to the United States for an arranged marriage. They discover from Ava's estranged twin, Irina, that the dead woman had left her abusive husband, and made a habit of taking advantage of the riches of wealthy suitors.