
As the firefighters, rescue squad and paramedics of Chicago Firehouse 51 forge headfirst into danger, the choices they make can mean the difference between life and death. But from the relentless pressure of saving lives, an extended family is forged. When it's go time, Firehouse 51 lays it all on the line for each other. This high-octane drama from Executive Producer Dick Wolf offers an edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions.

After Damon disobeys Kidd's orders on a call, he turns to Severide to protect him; Herrmann searches for the perfect scent to spice things up with Cindy.

Severide gets wrapped up in an Illinois State Police investigation after discovering illegal guns on a call; a bird harasses Mouch on the apparatus floor; Kidd keeps an eye on Carver as his attitude worsens.

Kidd and Severide investigate a trucking company responsible for a string of accidents; Herrmann recruits Kylie to help get new radios; Firehouse 51 celebrates Violet's birthday; Carver's allegiances are torn.

Casey and Naomi fight to escape a raging fire in Casey's apartment; Brett and the team struggle to create an engaging community fire safety presentation; Severide and Kidd's relationship reaches a crossroads.