The team must rely on a criminal for his expertise to help take down an even bigger threat. Meanwhile, Officers Chen and Bradford investigate the murder of an unhoused teenager who used to be friends with Tamara.

Guest starring is Matthew Glave as Oscar Hutchinson, Dylan Conrique as Tamara Colins, True Valentino as Aaron Thorson, Arjay Smith as James Murray, Steve Kazee as Jason Wyler, Kanoa Goo as Assistant District Attorney Chris Sanford and Jamil Walker Smith as Curtis Jones.