When a body is found professionally preserved and embalmed, the NYPD teams up with Edrisa to go undercover at a convention of funeral directors. While there, they discover their top suspects - morticians Tilda and Dev - who used to be in business with the victim. Then, enter the mind of a serial killer as Martin revisits his past through a series of hallucinations.

Malcolm continues to unravel as the mystery of the girl in the box comes to a head. As Nicholas Endicott's (guest star Dermot Mulroney) true colors continue to show, the Whitlys must decide to what lengths they are willing to go in order to take him down