
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.

Severide gets angry at Cruz when he feels his orders were disobeyed in the field; Boden reconnects with an old high school friend during a call to a house fire. Herrmann has issues when one of his favorite knick-knacks from Molly's goes missing.

The team responds to a crisis at a community center; Severide is forced to investigate one of his own squad members; Kidd helps a teacher going through a post-incident spin-out.

A surprise visitor from Novak's past joins Ambo for a late-night ride-along; Herrmann faces a mountain of Chief-level training records and incident reports; Violet catches Carver in a lie.

Herrmann investigates the rise in missing fire hydrants and teams up with Kylie to track them down; Kidd's cousin comes to town, revealing surprising family history; Violet and Novak treat the victim of a birthday cake smash gone awry.