The team springs into action to stop a vigilante who is hunting down and killing Internet predators, who were exposed on a show which lures predators by pretending to be teenage girls. Horatio ends the episode as he prepares to torture the predator, claiming that he was resisting arrest.

When Alexx's son becomes a suspect in a murder, saving him has dire consequences. Alexx decides to leave her job as a coroner when she realizes she's spending too much time with the dead. She leaves to spend more time with her family from whom she's grown distant.