Jackie Quiñones, a State cop, returns to her wild partying lifestyle. Ray Abruzzi becomes top cop after dismantling the New York criminal connection. Frankie Cuevas, while in prison, finds a new partner outside.
Jackie fails a test and is suspended, despite the sample not being hers. Renee reconnects with Frankie, unaware of past misdeeds. Osito defends his turf.
Ray and Alan have a heated argument. Frankie uncovers important information about Osito. Jackie discovers more cases of missing and murdered prostitutes.
Jackie presents the case of a missing prostitute and secures Alan's help to go after Swayzee. Meanwhile, Frankie plans his biggest scheme yet from prison.
Shane has a new partner. Frankie's intel implicates Alan in Jorge's murder. Ray and Renee's relationship hits rock bottom, while Jackie completes rehab, ending her rogue hero behavior.
The case nears its close. Ray and Renee backed against the wall are forced to make a deal with the devil. Shane's pragmatic approach unites sworn enemies. A chance encounter helps Jackie decide which side to support in the imminent fight.
