A teenager suspects foul play when he discovers his mother's former hospice caretaker is dating his father.
Investigating a road crash, Gail and Chris discover one of the vehicles involved is linked to the abduction of a nine-year-old girl. A search begins to find the car's missing driver, while an interrogation of the youngster's parents reveals more disturbing evidence.
While off-duty, Andy and Dov become involved in a holdup at a diner, Nick goes rogue to search for Sam Swarek's next of kin, and Andy is faced with both the men she cares for and must reveal her decision.