Chicago Fire premiered on NBC on October 10, 2012. No job is more stressful, dangerous or exhilarating than those of the Firefighters, Rescue Squad and Paramedics of Chicago Firehouse 51. These are America's everyday heroes - the courageous men and women who forge headfirst into danger when everyone else is running the other way. But the enormous responsibilities of the job also take a personal toll. Big reputations and hefty egos, coupled with the pressure to perform and make split-second decisions, are bound to put squad members at odds. When a tragedy claims one of their own, there's plenty of guilt and blame to go around. In the middle of a divorce, Lt. Matthew Casey tries to go about business as usual but can't help butting heads with the brash Lt. Kelly Severide of the Rescue Squad - and each blames the other for their fallen team member. When it's "go-time" though, they put aside their differences and put everything on the line for each other. Chicago Fire is a look inside one of America's noblest professions.