Chicago P.D.

"Chicago P.D." is a riveting police drama about the men and women of the Chicago Police Department's elite Intelligence Unit - fighting against the city's most heinous offenses - organized crime, drug trafficking, high-profile murders and beyond.

After discovering the true cause of the high rise fire, Intelligence races to find the man responsible.

Politics get in the way as the team tries to rescue a teenage girl kidnapped by a robbery crew. Voight (Jason Beghe) and Platt (Amy Morton) try to exonerate Olinsky.

Burgess' ride-along goes south.

While undercover, Ruzek (Patrick John Flueger) discovers his father (guest star Jack Coleman) is working for a suspected drug dealer and is forced to ask the question: is his dad involved?

The wife of an alderman is beaten to death, and Voight is under pressure from First Deputy Superintendent Brennan to close the case. To elicit a confession, Upton tells a dark story about her childhood.

Intelligence suspects the leader of a local mosque is behind the bombing of an Army recruitment station.

While CPD tries to take down a drug kingpin, Atwater (LaRoyce Hawkins) faces a tough choice between doing what's required to solve the murder of a young dealer and what's best for the community.

In an attempt to dig himself out of a hole and save someone close to him, Antonio (Jon Seda) crosses a line that puts the entire team at risk.

Voight and Ruzek lock horns over how to handle the aftermath of the Antonio situation.

When a defense attorney is murdered after a fundraiser, Intelligence must confront the world of campaign finance, which makes them reconsider their decision to back the current pro-police mayoral candidate.

While chasing a heroin supplier, CPD crosses paths with a convicted criminal recently released on a technicality. Halstead's (Jesse Lee Soffer) history with the man threatens the team's ability to put him back in prison.

Atwater (LaRoyce Hawkins) goes undercover to bring down the longtime head of a criminal enterprise and becomes entangled in a situation that tests his allegiances as well as his conscience.

The team travels to a Wisconsin gun show to take down a supplier who's manufacturing "cop killer" machine guns.

Second part of a crossover with "Chicago Fire": Using information from Chicago Fire's Cruz, Intelligence chases down the robbery crew that's been using the lockbox key.

Voight's "stay out of politics" stance is challenged as Intelligence uncovers the details surrounding a prolific serial killer.

A mayoral candidate is shot by an unidentified sniper, and CPD races to catch the shooter before he can take out his next target.

With the threat of a gang war looming, Voight and Ray Price must organize a peace summit to end the bloodshed before more innocent people get hurt. Burgess evaluates her future with Blair.

Intelligence's investigation into the murder of Burgess's (Marina Squerciati) boyfriend threatens to reveal a dark side she was unaware of.

A violent crew is hitting pharmaceutical delivery trucks and stealing drugs, but their motivation is more complicated than just money.

Antonio struggles with his guilty conscience as he tries to take down a major drug dealer. In order to protect his team, Voight takes a big shot at Kelton

Voight and his team go off-book.

With Kelton's (guest star John C. McGinley) election all but assured, Voight (Jason Beghe) and his team must go off book in a last ditch effort to save Intelligence from getting axed.