Stephen McCaffrey and his younger brother Brian are two feuding siblings carrying on an heroic family tradition in the Chicago fire department. Stephen is so relentless that he drives Brian out of firefighting and into arson investigation. Assisting arson investigator Donald Rimgale, Brian becomes involved in a puzzling series of arson attacks, each ignited by explosive phenomena known as backdrafts. Before the smoke clears, love affairs are rekindled...

Lt. Caleb Holt lives by the old firefighter's adage: Never leave your partner behind - it's a natural instinct. But when it comes to marriage, it's another story. After a decade of marriage, Caleb and Catherine have drifted so far apart that they are ready to move on without each other. As the two prepare for divorce, Caleb's dad asks his son to try The Love Dare experiment. While hoping the experiment has nothing to do with his parents' newfound...

Probationary firefighter Jack Morrison matures into a seasoned veteran of the Baltimore Fire Department under the watchful eye of his mentor Chief Mike Kennedy. Responding to the worst blaze in his career, he becomes trapped inside a 20-story building. As Jack reflects on his life - seeing his first fire, bonding with fellow firefighters, the impact his job has had on his wife and kids - Chief Kennedy frantically coordinates the effort to save Jack's...

Every 3-11 P.M. third watch shift brings a rush of risk and fear into the lives of the brave and dedicated people who serve as police, fire fighters and paramedics. For them, keeping the New York City streets safe and answering cries for help are all in a day's work.