The 100-meter champion Wu Tianyi (played by Li Yunrui) returns home to solve the problem of not being able to defeat the old sprinter Hao Chaoyue (played by Zheng Kai). Unexpectedly, Hao Chaoyue has already fallen into depravity, escaping from his favorite running career, and even deliberately using Wu Tianyi for profit. The competition between the two brothers extends from the track in their memories to real life. After misunderstandings and conflicts, they finally resolve their grievances and heal each other...