Shades of Blue

Harlee struggles with becoming an FBI informant while Wozniak suspects every member of his crew. Paranoid that Wozniaks search will lead to her, Harlee suggests polygraphng the entire crew, a plan that backfires. An appeals case sends Wozniak to watch tapes from his first encounter with Harlee, revealing a dark secret from their past. Meanwhile, Espada helps Tess deal with her husbands infidelity.

Lomans guilt over the death of an unarmed suspect becomes a liability for the crew, forcing them to test his loyalty. Wozniak sends Harlee on an errand that reveals he has a silent partner in the big score. Wozniak realizes Donny has been withholding information. Harlee feigns cooperation with Stahl, but unwittingly leads the FBI to incrimmating evidence,

Wozniaks suspicions land on Saperstein, forcing Harlee to convince Stahl to arrest Saperstein in order to keep him safe. Harlee visits her abusive ex, Miguel, who tasks her with tracking down the man who committed the murder for which he is imprisoned.

After Sapersteins death, Harlee realizes there are no lines Wozniak wont cross and decides to help Stahls investigation. The crew retaliates against a pair of abusive cops after they harass Harlees daughter Cristina and her boyfriend. Wozniak makes Loman feel like a part of the unit.

Harlee and Wozniak secure more details on the big score and meet Donnies silent partner, who reveals himself to be an DEA agent.  They learn the big score is an armored car heist.  Wozniak takes interest in a fellow marine veteran who is suspected of murder under dubious circumstances.

Harlee and Wozniak attempt to deal with the consequences of the heists money disappearance. Harlee informs the FBI that she will get the money back.

Harlee Santos takes drastic measures to cover up the murder of her abusive ex, Miguel. Lieutenant Matt Wozniak makes a deal with FBI Agent Robert Stahl to keep himself and his crew out of jail but soon discovers Stahl has led him into an impossible trap. As the crew deals with the fall-out from the failed heist, Tess struggles to keep her painful gunshot wound under wraps.

After Wozniak refuses to play ball with the FBI, Stahl turns up the heat on Harlee who lands in the middle of Wozniaks dangerous plan to free himself from the Feds by reeling in a bigger fish. Meanwhile, Internal Affairs Officer Verco applies pressure to each member of the crew to discover what really happened to Donnie Pomp.

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.

Following Harlees brave confession to the entire crew that she has been informing for the FBI, the team grapples with Harlee and Wozniaks betrayal. With their team falling apart, Harlee and Wozniak come up with a desperate plan to neutralize Bianchi. However, their actions have unforeseen consequences because the Mafia fires back.

Harlee makes the chilling discovery that someone is texting Cristina as her dead ex, "Miguel." The case of a missing kid leads Wozniak to uncover a local dealer who uses underage mules and reminds Loman of what their unit is all about. The crew gets caught in a brutal ambush.

Harlee and Wozniak lead the crew on a dangerous mission to heist Bianchis secret ledger and take down the mobster once and for all. But the plan takes a tragic turn when the events our heroes set in motion put one of their own in harms way, forcing Harlee to turn to an unlikely source for help.

In a dramatic confrontation, Wozniak faces the ally who betrayed him and makes his most difficult choice yet. Meanwhile, Stahls fanatical plan to take Harlee down for murder finally pays off, forcing Harlee to get dangerously close to the man whos obsessed with her In the end, Harlee and Wozniaks desperate efforts to save themselves and the crew lead to shocking consequences for both.

Dealing with a loss, Harlee pursues evidence of a higher level of corruption within the NYPD. Wozniak tries to protect Harlee and his crew from escalating threats.

Harlee focuses her sights on taking down the intelligence unit. Stahl’s continued obsession brings him closer to New York. Wozniak uses Wallace as Espada struggles with keeping secrets from Tufo.

Harlee and Wozniak try to link the intelligence unit to the cartel while facing the consequences of breaking the blue wall.

Wozniak enlists the crew to make a dangerous move against the Intelligence unit as Harlee struggles to stay on her new path.

Harlee faces a police commission as Wozniak and the crew scramble to help her from the outside.