When a teenager is taken hostage, Eric is forced to negotiate with a serial killer, VINCENT KEOUGH, facing a life sentence in order to catch the copycat. Things take a turn for the worse when Keough demands to be released from prison if they want him to help find the hostage. As the team searches for the copycat, they uncover that Keough may have, in fact, found a way to kill again. In the final showdown, Maxine is faced with an impossible choice.