Peter DeFaria

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.

Manning faces a challenging case involving a teenager after her return from maternity leave, while Dr Choi is determined to help a naval worker whose serious issues are downplayed when visiting royalty becomes the focus of concern for medical staff.

Marcel and Charles treat Lieu's gym buddy; Maggie and Halstead help a robbery-homicide suspect; Asher and Archer use Med's new opiate abuse AI program.

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

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

When a death occurs on Antonio's security duty, Voight and Olinsky ensure he is covered; Halstead and Lindsay go undercover.