After being found wandering around Riverside Park, beaten and raped, Kelly Sun is taken in by Benson, but she has no memory of what happened. Benson's investigation finds that Kelly was on her way to Korea, but never got on the plane; instead, she was seen leaving with a mystery man who becomes the case's number one suspect. Stabler and Benson search for evidence against the mystery man, Eric Lutz, and Benson is overcome with memories of her own attack.