
Amid the drug trade on Cape Cod, a body washes ashore and is discovered by an irreverent National Marine Fisheries Service officer, Jackie Quinones, who is determined to help solve the murder even if the state cops want her nowhere near the case.






NMFS agent Jackie Quiñones leads a fun, free-wheeling and booze-addled life, then she uncovers a dead body on the beach, and she is plunged into the center of a complicated and dangerous opioid ring investigation.
After discovering a lead on Sherry's murder, Jackie becomes determined to solve the case. Junior finds himself trapped, and Ray connects with his CI in ways that are unprofessional.
Jackie returns to rehab, but only to help further her investigation. Ray starts closing in on Osito at the same time he and Renee cross the line. Junior takes the first step to becoming a soldier.
Jackie finds out where Krista Collins is staying, but gets pulled back into her own life. Ray comes face to face with Osito. Junior tries to reconcile with Donna's family.
Jackie puts every potentially positive aspect of her current situation at risk as she goes on a bender, which comes to put Krista Collins in extreme danger; Junior finds himself looking for a different way to prove his qualities.
Jackie and Junior find it difficult to deal with the traumatic aftermath of a recent event; Ray's investigation makes some positive progress that could expedite finding the answers; Ray is ready to support Renee when she needs it the most.
Jackie asks Ray and the rest of the CCINU to find Junior after she learns he played a role in Sherry's murder, but she must do so before Frankie calls for his death; Renee comes to ask serious questions about her and Ray's burgeoning relationship.
Jackie and Ray try to return to business as usual after a depressing failure, only to learn the case might not be closed.
Jackie is white-hot to prove herself as a cop and avenge the death of her best friend, Junior. Frankie teams up with ex-con, cousin Jorge while Ray's off the force because of Renee's betrayal. There's a new deadly drug in trade during off-season Cape Cod, labeled "Great White."
Jackie's new partner Leslie matches her ambition perfectly as their relationship deepens on and off the force. Frankie and Jorge continue to move forward but Charmaine, their New York connection, is a wild card. Jorge sows distrust between Frankie and Renee; as Alan turns to Frankie's old right-hand man, Ostio, to solve a case.
Jackie abandons her stakeout for a firey confrontation. Ray is once again humilitated, and does what he can to get back on the force.
Jackie and Leslie get deeper into the case, and with each other. Someone will make a decision they will regret.
Jackie and Ray both realize a distressing truth. Frankie feels threatened and Renee proves herself to be ruthless.
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.
Renee risks everything to change her world around. Alan sets a trap that covers the entire Cape.
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.
State cop Jackie Quiñones is back to her wild partying ways, Ray Abruzzi is top cop after taking down the New York connection, and imprisoned Frankie Cuevas secures a new partner on the outside.
Jackie fails a pee test and she is off the force - and it wasn't even her pee! Renee unwittingly lets Frankie back into her life and Osito defends his turf.
Tempers boil over and Ray and Alan explode at each other. Frankie learns valuable intel about Osito and Jackie learns there are even more missing or murdered prostitutes.
Jackie lays out her missing prostitute's case and gets Alan's cooperation to go after Swayzee. From behind bars, Frankie orchestrates his greatest coup yet.
Shane has a new partner; Ray and Renee's relationship hits rock bottom and Jackie completes rehab - no more rogue hero bullshit.
Owen is more dangerous than ever and he's taking Sarah; Jackie closes in on the prostitutes' killer; Charmaine and Osito resume their partnership.
Ray and Renee are backed against the wall and must make a deal with the devil. Shane's all-business approach brings sworn enemies together and a chance meeting helps Jackie pick a side in the coming battle.