Realizing that Stahl will stop at nothing to arrest Julia Ayre, Harlee decides to investigate on her own and determine whether there's any truth in his allegations of Ayers active business with the mob. Wozniak is confronted with a drug case that forces him to face the darkest demons from his past, his daughter's death, while exposing the origin of his loyalty.

The mafia seeks revenge on Harlee by framing her for murder. As Harlee works against the clock and her own crew to cover her tracks as Wozniak fights to keep his cop family together when evidence of an old crime puts pressure on the already splintering team. Stahl cozies up to Cristina getting one step closer to the truth about Miguel.