In the gripping series finale, long-held secrets are revealed as Harlee calls a police commission in a final bid to defeat Ramsey, and Wozniak and the crew scramble to help her make her case.

While Cole tries to avoid Ramsey's reach, Wozniak attempts to negotiate with the cartel, and Harlee uncovers a betrayal.

Wozniak gathers the crew to make a dangerous and bold move against the intelligence unit, but an unexpected confrontation for Harlee threatens to derail the entire operation.

Harlee fights a frame job after receiving more shocking news; meanwhile, as Wozniak works all angles to keep Bennett behind bars, he learns the intelligence unit is pushing their dirt on him.

Harlee and Woz race to make the charges on Bennett stick and link the intelligence unit to the cartel, while the whole crew faces the consequences of breaking the blue wall.

Harlee and Woz discover that the intelligence unit's criminal enterprises go deeper than they thought, while Ramsey uses someone close to Harlee to strike back.