The Tianwu Boxing Hall in Haicheng City is the branch of the world's largest boxing gym. In order to earn money for the treatment of the righteous girl, Su Chen came to Tianwu Boxing Hall to do sparring. Because of his outstanding learning ability and strong comprehension, Su Chen became the "gold medal training" of the boxing gym. However, the splendid performance of Su Chen attracted the jealousy of the leader Wang Tingwei. He made Su Chen into a dangerous situation. Su Chen, who was involved