The series follows Southern California's elite rescue task force, SAF3 (pronouced "safe") , consists of the cream-of-the-crop from the sea, air, and fire divisions of the Malibu Fire Department. They are the heroes who answer the most challenging calls; specialists who collaborate, coordinate, and initiate daring rescues in the most dangerous venues to save human life, always aware of the harsh reality that one of them may not return. 　　译文(2): 该系列跟踪南加州的精英救援工作队，SAF3(发音为“安全”) ，包括精英的作物从海上，空中和消防部门的马里布消防部门。他们是响应最具挑战性号召的英雄; 他们是在最危险的地点进行合作、协调和启动大胆救援以拯救人类生命的专家，他们始终意识到其中一人可能无法返回的残酷现实。