An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and paramedics of Chicago Firehouse 51, no occupation is more stressful or dangerous, yet so rewarding and exhilarating. These courageous men and women are among the elite who forge headfirst into danger when everyone else is running the other way and whose actions make the difference between life and death.

as Kelly Severide

as Christopher Herrmann

as Joe Cruz

as Randy 'Mouch' McHolland

as Stella Kidd

as Violet Mikami

as Darren Ritter

as Sylvie Brett

as Wallace Boden

as Blake Gallo
