Doreen is about to marry the man of her dreams, Hank, a mild-mannered guy who is equally as excited about marrying Doreen. However, Doreen’s older brother, a wild man named Travis who’s been estranged from her for several years, shows up to make amends, but instead he accidentally curses her. Doreen is now possessed by the devil. In Las Vegas is a homeless man known as Johnny Priest, who is the last known person to perform an exorcism in America. It’s up to Travis and Hank to put aside their differences and travel from Chicago to Las Vegas to get Doreen an exorcism before it’s too late and her soul is lost forever.

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.