After Huo Yan graduated from the Civil Defence Academy, he becomes the vice captain of the Fire Rescue Team. During an incident, he met Yan Lan, a doctor working in the Emergency Department. Their meeting started out on the wrong foot, plagued with misunderstandings. Huo Yan has always been cold and level-headed, having a firm grip on all situations. However, the appearance of "sunshine" Yan Lan becomes the only uncertain element in his life. During their mission, they are constantly faced with extreme conditions, witnessing countless parting caused by life and death; causing their relationship to take a stronger turn.
On the other hand, Jiang Tong, the deputy instructor of the Fire Rescue Team falls in love with Wang Dayin, her fellow colleague who seems timid and withdrawn.