Following a series of savage killings, the officers of District 21, under the command of Sergeant Hank Voight, turn their attention to a Colombian drug cartel attempting to consolidate power within Chicago. They encounter D’Anthony, who pro…

The kidnapping of Antonio's son weighs heavily on him, a suspicion settling that a Colombian drug cartel is responsible. Pulpo, the cartel's leader, is incarcerated, and whispers suggest his release could be linked to Diego's fate. As the …

Voight and his team arrive at a house with a notorious history, linked to several prominent gangs. The investigation’s unfolding events lead to Ruzek being encouraged to consider counseling, a suggestion that could have significant conseque…

The depth of Halstead's aversion to the Rodiger family, and the tangled web of their relationships, becomes increasingly apparent. Olinsky reveals a softer side, fiercely protective of his daughter Lexi. Simultaneously, Voight navigates the…

Atwater and Burgess receive a new patrol car, but are tasked with maintaining its pristine condition. An encounter with a disturbed woman leads the Intelligence Unit to uncover a drug smuggling operation endangering the lives of several you…

Seeking assistance with a string of brutal crimes – rapes followed by murders – Voight and Antonio turn to agents Fin and Rollins of the New York Special Victims Unit. Meanwhile, Burgess sees a chance to demonstrate her capabilities to Inte…

Speculation mounts regarding Voight's son's potential connection to the Fitori murder, further straining the already fraught relationship between Antonio and Voight. Meanwhile, Ruzek assists Burgess in achieving justice.

Voight receives a new Internal Affairs handler in Stillwell, whose gaze is perpetually laced with suspicion. A case involving a gambling ring compels Voight to collaborate with Shi, his former partner from the Gang Unit. Elsewhere, Halsted …

Responding to an emergency call, Atwater and Burgess find a gunshot victim, with the sole witness being Lexi Olinsky. The shooting appears linked to a Latin gang. To safeguard Olinsky’s daughter, Voight reassigns the case from the Gang Unit…

The revocation of Halstead’s badge follows the discovery of Lonnie Rodiger’s death. Meanwhile, Severide and Clarke locate Dr. Elliot’s torso. Elsewhere, Sumner strives to demonstrate her capabilities. And in a quiet moment, Lindsay connects…

In a clearing house, Voight and his team stumble upon a scene of brutal violence: eight million dollars in cash missing, and two men wounded. During the subsequent questioning, a man named Perko offers crucial information, prompting Antonio…

The Intelligence Unit pursues the bombers, navigating the complexities of multiple agencies while relying on their own resources and contacts. Lindsay and Antonio interview the medical staff who performed a transplant surgery on a Syrian Am…

Commander Perry informed the Intelligence unit that Pulpo had been released for use in tracking a dangerous cartel leader. The news was met with unease by our team, given his previous abduction of one of our own; relations between us were f…

With Antonio’s fate uncertain, Voight and Platt share glimpses of their histories. Jin finds himself ensnared while working on Voight’s computer, grasping at the only lifeline available to shield himself. Meanwhile, Charlie's return forces …

Atwater finds a steady footing in his new role within intelligence, a welcome shift as Antonio is sidelined to desk duties during his recovery. Lindsay, finally acknowledging the confines of her situation, turns to Voight for assistance. El…