Maddie's return to work proves to be more triggering than expected, as she may have returned too soon. Eddie struggles to adapt to his new surroundings.

While Watson and the team help a woman whose memory resets every three minutes, Watson struggles with auditory hallucinations and questions whether someone is behind his current decline. Also, Moriarty plots his next move.

The team works the case of an investment advisor found dead shortly after her release from prison. Also, Mary Jo is left reeling by an unexpected development in her personal life.

McCall visits “The Grave Digger,” a serial killer she put behind bars a year ago, to uncover who is behind a series of copycat murders. Meanwhile, Dee skips her Peer Ear meeting to go to a party with Cam.