Elizabeth Laidlaw

After a petty officer's son is found murdered, evidence suggests Kasie's lifelong best friend is guilty.

The team race against time to locate two missing teenage girls, while Voight hopes to get an honest answer from one of their fathers.

Halstead and Asher work to save a surrogate's baby; Charles cares for a patient on a hunger strike; Choi and Archer help a patient with ties to Choi's late father; Scott and Maggie are stumped by a drunk patient who claims to be sober.

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

Teresa takes on the police department's corrupt promotion system; Vonda receives a package that reveals more about the Wysocki family.

Miller publishes a story that could destroy Kane; Kitty's alliance with Doyle worries Kane; Kane tries to stay on top.