Ayou (Wang Xi decoration) has a soft spot for firefighters since he was a child, and he also vowed to become an excellent fire fighter. , he was admitted to the fire school with his friends A Ba (played by Zheng Jingji) and A Xing (played by Qian Jiale). During their studies, they became friends with A Bai (Louis Koo), A Yao (Eric Kwan) and Zi Ji (Tang Zhaozun)
After graduation, everyone went their separate ways and was assigned to different fire departments to make contributions in their respective positions. Ayou and others worked in the fire brigade of Captain Afeng (played by Li Zixiong). Because of Ayou's outstanding performance, he also received Afeng's praise and appreciation. Once, because Ayou's mother was critically ill, she learned a secret that he and Afeng were half brothers. The sudden situation and work differences brought the relationship between the two to a freezing point. .
Abo was assigned to Cheung Chau, and he and his colleague A Cui (played by Liang Zheng) developed feelings during the contact at work. But Acui is his brother (Zheng Zicheng)'s girlfriend, which makes Abo very painful.