A Band5 school in hong kong has a tradition of being brave; In a classroom, many desks are put together in a circle, and a decisive battle is held in the circle to solve all disputes. Nicholas Tse's stone has always been invincible, nicknamed "the only king". One day, he suddenly disappeared from school, but another more robust mantis (Peng Jingci) appeared. At the beginning of the new semester, the stone finally came back. But he refused to fight again. Even though mantis tried to provoke, the stone still insisted on not hitting. It turned out that Shi promised her dead mother-in-law, stopped fighting and killing people, and worked hard to complete the exam course. In the same semester, Edward, a freshman played by Feng Delun, also came to this school. Ya Feng, a girl played by Joey Yung, fell in love with Edward at first sight because of her handsome appearance. regrettable

Edward was finally disturbed by hooligans at school, forcing him to carry forward this tradition. As a result, Edward was beaten in the ring and kidnapped by gangs before the meeting. Mantis knows who did it, but he won't tell who kidnapped Edward until he fought him in a ring on a stone. Will Si Tong still play for Edward?