Matthew W. Allen

Ann throws a bachelorette party for Leslie but her plans are derailed when Councilman Jamm interferes. Chris throws a game night at Ben's but things take a turn when he realizes none of the guys ever had their own bachelor parties.

Chief Boden (Eamonn Walker) finds himself in the middle of a fiasco concerning a female neighbor (guest star Ilfenesh Hadera), who he believes is setting him up. Severide (Taylor Kinney), who is still on probation from his altercation with Captain Patterson (guest star Brian While), receives a surprise visit from his father (guest star Treat Williams) and discovers some interesting information on Patterson that could be a game changer. Meanwhile, romance blossoms at the Chicago Fire Department gala.

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.