As a child, Brian McCaffrey watched his firefighter father die. Years later, he joins his brother, Stephen in the force by becoming a rookie firefighter. There is a history of conflict between the two brothers that is heated up by working together. With this background, a series of suspicious fires are set, each made to kill a specific person. After becoming frightened at a fire, Brian pulls strings to get into an investigative office and finds that he is now not putting out the arsonist's fires, but trying to track him down.