Shades of Blue: Season 1 (2016)

In the premiere, NYPD detective Harlee Santos, who's part of a crew of dirty Brooklyn cops, is picked up by the FBI, which will do whatever it takes—including leveraging her daughter—to turn her into an informant against her fellow squad members.

Wozniak sees informants everywhere, so Harlee suggests that he polygraph the entire crew; an appeals case causes Wozniak to watch tapes from his first encounter with Harlee; and Espada helps Tess deal with her husband's infidelity.

Harlee refuses to give Stahl incriminating evidence against Wozniak and instead hands him a resolved, unofficial case about a murder committed with a 3D-printed gun. In other events, Harlee makes a dangerous bluff when she's confronted by Wozniak.

Loman's loyalty is tested when his guilt over the death of an unarmed suspect becomes a liability; Wozniak sends Harlee on an errand that reveals he has a silent partner; Wozniak realizes Donnie is withholding information; and Harlee unwittingly leads the FBI to incriminating evidence.

Harlee and Tess intercept a heroin shipment from a local drug kingpin; Harlee fears that Stahl's interest in her may be more than professional; and Tess tries to use Espada to get back at her husband.

Wozniak suspects Saperstein of being the informant; Harlee visits her abusive ex, Miguel, who wants her to track down the man who committed the murder for which he is imprisoned.

Wozniak grapples with guilt over his attempt to eliminate Saperstein; Harlee tries to protect Saperstein and keep the unit from being torn apart by suspicion and grief; and Stahl comes closer to uncovering Harlee's relationship with Miguel.

Harlee decides to help Stahl once she realizes that there's no line Wozniak won't cross; the crew retaliates against abusive cops who harassed Cristina and her boyfriend; and Wozniak makes Loman feel like a part of the unit.

Harlee and Stahl learn of Wozniak's relationship with Donnie; Wozniak takes charge of the big job after picking up a package that's not what he expected; and the crew face their mixed feelings about Saperstein.