Patrick heads to his girlfriend's apartment to check on her and finds her tied to a chair in her bra and underwear and unconscious. When Patrick tries to untie Larissa he's attacked by a man dressed only in his underwear. At the hospital, Stabler and Benson interview Patrick, who's recovering from his beating. He tells the detectives he's willing to do whatever he can to help catch the creep who was in Larissa's apartment.