Peter DeFaria

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

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

Manning returns from maternity leave and is immediately faced with a troubling case. The surgical team prepares to treat a Saudi prince.

Cruz feels the burden of his increased responsibilities. Kidd, Gallo and Carver get caught in the middle of a gang war on a call. Herrmann wrangles Trudy for help lifting Cindy's mood.

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.