Jennifer Anglin

Severide (Taylor Kinney) feels sidelined as he leaves Detective Lindsay (guest star Sophia Bush) and the Intelligence Unit to do their job and locate his sister Katie (guest star Brittany Curran). Shay (Lauren German) gets an unusual tip from Chicago Blackhawk players Brent Seabrook and Duncan Keith, who makes friends with Clarke (guest star Jeff Hephner) and stop by Molly's. Meanwhile, Casey (Jesse Spencer) learns more about his head injuries after another close call and Dawson (Monica Raymund) pushes hard to pass the physical test at the Academy.

Boden's chances for a promotion are met with potential complications, leading him to take matters into his own hands. Dawson and Casey don't see eye to eye on an important decision, while Kidd finds herself struggling to find time with Severide. Brett and Dawson respond to a tough call that quickly turns dangerous.

An old ship arrives from Earth with two bodies. Two humans aboard Babylon 5 experience horrifying visions, which Dr. Franklin tries to interpret.

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.

Kane grows increasingly infatuated with his new senior aide, Mona, allowing himself to get swept up in her passion for the subsidized housing project. Ben Zajac and his wife, Maggie, run the risk of alienating themselves from Kane when they take the reins of Zajac’s gubernatorial campaign.