Peter DeFaria

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.

Firehouse 51 responds to a suspicious call from a neighbouring firehouse, so Severide and Cruz investigate. Also, the team welcome a new firefighter.

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

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.

Casey and Dawson apply for permanent adoption of Louie, but encounter an obstacle. Severide receives an interesting proposition.

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.