Naz weighs the pros and cons of copping a plea as Stone, working to uncover information about the crime, opens a window to Andrea's past.
Bobby's cancer-ridden father comes out of retirement to do a hit. Meanwhile, Junior is given some unpleasant news about his medical condition. Tony's racism again boils to the surface when he has a run-in with a black cop. Artie explores his feelings for Adriana.
Sipowicz intercedes for a friend when a bisexual love triangle turns deadly; detectives bust grave robbers; Simone learns a secret about Naomi.
Elizabeth tries to find funding for an electrical grid in a Syrian refugee camp during an impending government shutdown.