Elizabeth Laidlaw

Two teenage girls have gone missing and the team know the clock is ticking to find them. Halstead (Jesse Lee Soffer), Antonio (Jon Seda) and Lindsay (Sophia Bush) investigate a tenement which gives them a much needed lead. Voight (Jason Beghe) brings the father of one of the girls to district in order to get some honest answers. Meanwhile, Platt (Amy Morton) puts Roman (Brian Geraghty) and Burgess (Marina Squerciati) on gun buy-back duty where they ask questions when they aren’t supposed to. Patrick Flueger, Elias Koteas and LaRoyce Hawkins also star. Charlie Barnett, Stella Maeve and Michael James Reed guest star.

After a petty officer's son is found murdered at his "welcome home from prison" party, evidence suggests Kasie's lifelong best friend, Dante Brown (Devale Ellis), is the suspect.

Intelligence does everything they can to build a case against the elusive leader of a drug ring, but things get complicated when Rojas realizes someone she cares about might be involved.

Will and Hannah work to save a surrogate's baby. Charles cares for a former patient of Lonnie's who's on a hunger strike. Ethan and Archer help a patient with ties to Ethan's late father. Dylan and Maggie are stumped by a drunk patient who claims to be sober.

Tom Kane cements his mayoral legacy with a lavish ceremony celebrating the groundbreaking of the new modernized O’Hare terminals. Now Kane looks to the future, setting his sights on reviving a subsidized housing project. While his political future seems bright, Kane continues to battle for control over his disease.