Dehao (Song Kanghao is acted the role of) is a bank clerk who is often late for work, so he is punished by his boss for killing his life. In order to crack his boss's trick, Dehao found a local wrestling training ground and learned from the basic moves. He not only managed to escape from his boss, but also entered the wrestling field by chance and made his debut under the nickname of "foul king". However, the wrestling school where Dehao is in is small and dilapidated, and he performs everywhere with his elder brothers on weekends, with a small audience. And what annoys him is that, as an unclassy amateur, he can only play cheating horns and let his opponents ravage them wantonly. At present, a wrestler who trained in Japan has returned from his studies, and Dehao is arranged to compete with him. But how could he, who was already holding his breath, be a funny, weak foul king?