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.

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.

Season 37, Episode 4

After a Navy Lieutenant's death reveals ties to Special Agent Sawyer, Torres and Knight uncover a murder linked to a wealthy family; Parker discovers a shocking connection between his mother's death and Lily.

After a soldier suddenly goes AWOL while planning to expose an alleged secret military project, McCall and the team learn that her life is in danger; Dante makes a career move to be closer to McCall and his family.