While employees are working in a building under renovations, a janitor accidentally sets off a lethal and explosive chain reaction leaves several people injured and trapped throughout the building. It will be up to firefighter Ray Vargas to find a way to bring everyone to safety, but his rescue is complicated as the structural integrity declines. Unsure of their fate, and with too much to lose, Ray must fight to keep the survivors alive as they hunt for a way out of this deadly inferno.