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.

Severide returns from Las Vegas with a life-changing secret to share. Plus, the crew make a disturbing discovery at the scene of a fire.

Severide springs into action when gunmen open fire on the subway. Gabby Dawson learns a harsh lesson on her first day as a firefighter.

A new recruit causes rumbles around Firehouse 51. Plus, Mills goes to desperate lengths to prove he's over his vertigo.

Severide gets help from an unlikely source as he continues to search for the arsonist that killed Shay.

The Firehouse 51 crew have their work cut out for them when a tornado hits the city. Also, Brett must report Chilli after she makes a big mistake.