After a slew of brutal slayings, District 21, led by Sergeant Hank Voight go after a Columbian drug cartel cleaning h...

Antonio’s son was kidnapped and he has a feeling the Columbian drug gang is to blame. Pulpo, the Columbian gang leade...

Voight and team head to a house that’s been associated with a number of top gangs. Events at the search result in Ruz...

More is learned about Halstead’s dislike of the Rodiger family and it’s family relationships all around as Olinsky sh...

Atwater and Burgess are given a new patrol car, but are challenged with keeping it brand new. A run in with a psychot...

Voight and Antonio enlist the help of agents at the Special Victims Unit in New York, Fin and Rollins, to help track ...

Voight's son may be involved with the Fitori murder case, intensifying tension between Antonio and Voight; Ruzek help...

Voight is assigned a new Internal Affairs handler, Stillwell who proves to be suspicious of Voight’s actions. During ...

In responding to a call Atwater and Burgess discover a gunshot victim and the only witness is Lexi Olinsky. The shoot...

Halstead's badge is revoked when Lonnie Rodiger is found dead; Severide and Clarke find Dr. Elliot's torso; Sumner tr...

Voight and the team discover a massacre, eight million in cash stolen and two wounded men in a clearing house. During...

The Intelligence Unit works to find the bombers. Even with government agencies in the mix, Voight and his team work t...

Commander Perry notifies the Intelligence unit that Pulpo has been released to help track down a dangerous cartel lea...

As Antonio’s life is now in question, Voight and Platt open up about their pasts. Jin is caught while tinkering wi...

Atwater is settling into his new gig on intelligence as Antonio is relegated to desk duty while recovering. Lindsay f...