Two hours before an execution, Dr. Huang and Detective Stabler are trying to get a confession on a murder and rape from a serial killer about to be executed. Matthew Brodus killed and mutilated 12 women. Debbie Cooper's parents don't know who killed her and new evidence shows it might be Brodus. Things go awry when Huang gets attacked and Stabler and the criminal begin struggling while the guards are changing shifts. Progressing backwards in time, we are shown how they find clues pointing Brodus as Cooper's killer. After some twists and turns Stabler and Huang go to the facility Brodus is being held in to get a confession from him. Will Huang and Stabler be able to get their confession and get out unscathed?