Peter DeFaria

Detective Lindsay calls in suspects in the disappearance of Katie's kidnapper, Jones struggles to fit in, and Herrmann celebrates his 20th wedding anniversary.

Boden tries to keep the firehouse from closing, the romance between Dawson and Casey grows, Cruz worries about his brother's safety, and Severide and Katie make up for lost time.

Dr Charles learns a troubling fact about the man who shot him. Meanwhile, Dr Rhodes and Dr Bekker come to an agreement during a complicated surgery.

Dr. Manning's actions with a recent patient lead to serious repercussions. April and Noah disagree over a patient who is injured after a beating, and Dr. Charles is visited by a childhood friend with a surprising revelation.

Dawson gets into trouble during a shift at his out-of-hours job when a wealthy client who was also a known felon is murdered on his watch. Halstead and Lindsay are assigned to help investigate the case, and end up undercover in an unusual location.

Patterson questions Boden's ability to lead the firehouse as the trial approaches; Brett and Chili find an unconscious man in a garden; Otis tries to fill his social calendar.