Called to a murder scene in the middle of the night, Sam and Eddie are shocked to find that the man who had just hired them to find his missing wife is the most recent victim of a serial killer. Knowing that their client’s case must be related to his murder, Sam and Eddie race to uncover the twisted motives behind the killings with the desperate hope of finding his still-missing wife alive, putting the pair directly in the serial killer’s crosshairs. Meanwhile, the investigation stirs up old wounds for Eddie surrounding his contentious departure from the LAPD.