Fire chief Yun (Liu Qingyun is acted the role of) is a responsible firefighter, whenever an accident occurs, he and the team members rushed to the scene of the fire. The newly transferred boss (acted the role of Fang Zhongxin) is determined to reorganize the lineup with strict discipline, and his stringent requirements have led to the dissatisfaction of a large number of firefighters. But in life, they are not happy with each other. The boss became a stranger when he met his ex-wife again. The female trainee leader who is dedicated to her career (Huang Zhuoling) is also estranged from her husband. Cloud rescued Carmen (Li Ruotong) during a rescue at the scene. In the face of the sudden and catastrophic No. 5 alarm fire, which posed a danger to the firefighters themselves, everyone had to leave the scene of the fire, which contained a large amount of dangerous goods, caused a big explosion and released a large amount of poisonous gas. and there are still survivors waiting to be rescued. Firefighters, who are on the brink of life and death, still decide to risk their lives to continue to save lives. Can they succeed in the end?