Shades of Blue

Harlee Santos, a detective from a tight-knit group of Brooklyn cops with questionable tactics, is arrested by an FBI agent who wants her to work as an informant.

As Harlee grapples with becoming an FBI informant, Wozniak is suspicious of his crew members; a dark secret is revealed; Espada tries to help Tess.

Harlee refuses to relinquish evidence that incriminates Wozniak, but instead hands over an unofficial case involving a murder by a 3-D printed gun; Wozniak decides to confront Harlee.

The crew is forced to test Loman's loyalty when he struggles with guilt; Wozniak learns that Donnie is withholding information; Harlee accidentally leads the FBI to incriminating evidence.

A local drug lord discovers Wozniak's secret and tries to use it as leverage to recover drugs that Harlee and Tess confiscated; Harlee questions Stahl's motives and resorts to spying on him.

Harlee must persuade Stahl to arrest Saperstein to keep him safe from a suspicious Wozniak; Harlee's abusive ex claims someone else is responsible for the crime he is imprisoned for.

Wozniak struggles with guilt as he is faced with an unfinished task; Harlee must protect Saperstein while holding the unit together; Stahl gets close to discovering Harlee's relationship with Miguel.

A recent event makes Harlee decide to assist with Stahl's investigation; two abusive cops harass Harlee's daughter and her boyfriend.

Details about Wozniak's secret relationship are revealed; Wozniak takes charge of a big job; a call to Saperstein's desk forces feelings to the surface.

Harlee and Wozniak meet with Donnie's silent partner, who turns out to be a DEA agent; a Marine veteran is suspected of murder.

Just as the heist is about to go down, Harlee realizes she cannot trust Stahl; Miguel uncovers Harlee's secret; Loman witnesses the heist as the exchange goes wrong.

Harlee and Wozniak deal with the consequences of the heist's money disappearing; Harlee tells the FBI she will find the money and deliver Wozniak and his partners.

After not being able to provide the FBI with Donnie and Linklater, Harlee offers a deal to Stahl to save the team; Miguel reveals his dark side when he asks Harlee to let him be a part of Christina's life.