Zhi cheng unexpectedly joined a racing group through a colleague when he worked at a Stir-fries restaurant . After receiving his first payment, Zhi cheng decided to use the money he earned to take his younger brother, Zhi wei, away from their old home, in order to escape their father's long-standing alcohol-fueled violence. Both of them felt hopeful about their new life, but during the process of being involved in crime and evading domestic violence, their relationship as brothers also underwent some changes.