Jackie is out to prove herself as a cop and avenge the death of her best friend, Junior; Frankie teams up with his cousin; there is a new deadly drug in town called Great White.
Jackie's new partner, Leslie, matches her ambition perfectly as their relationship deepens on and off the force; Frankie and Jorge continue moving ahead, but Charmaine, their New York connection, is a wild card.
It's the day before Thanksgiving on the Cape: things are looking up for Ray, and looking grim for Jackie. Frankie is filled with anxiety over his business with Jorge.
It's Thanksgiving but the drugs and despair don't let up. Frankie, riding an ocean of anxiety, takes Renee to the point of no return. Ray is going all in on a case no one wants him on, and Alan's holiday dinner is interrupted.
Ray is so close to getting everything he's wanted, but he will have to maneuver things just right. Jackie's met with a crossroad and must choose how to move forward.
The whole "Great White" operation is cracked open, but a few mysteries remain. Ray's plan to get his job back has a complicated ending. Jackie goes from feeling like a hero after an important discovery to the zero who let something critical get away.