A police shootout leaves four thieves dead during an explosive armed robbery attempt in Chicago. Their widows have nothing in common except a debt left behind by their spouses' criminal activities. Hoping to forge a future on their own terms, they join forces to pull off a heist.

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.