Anthony Ferraris

Boden pushes his team to pull it together in the aftermath of the explosion, Casey works to track down a missing Severide, Newhouse brings news about one of Mills' relatives and Herrmann and Otis come up with new goals.

Boden, Kidd and Severide work together to protect one of their own; at the Fire Academy, Herrmann meets an inspiring young man; talk of the annual CFD Gala dominates the firehouse.

Chief Boden unwillingly agrees to let Dawson and Brett go under cover; Kidd and Zach's relationship hits a bump; Cruz has a hard time expressing his true feelings for Brett.

Severide and Seager team up to investigate a fire at the home of a troubled young woman; Pelham moves into 51's rumoured cursed office; Kylie assists Kidd with Girls on Fire.

Casey makes a choice he later regrets at the scene of a car crash. Severide opens up old wounds as he investigates his findings in the lock-up.

The firehouse reacts to some exciting news; a mysterious stranger arrives, and a shocking call takes Severide's breath away.