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Yan Yifeng died after suffering a heart attack in a mixed martial arts match against Thai boxer Desri. His death devastated his father, Yan Dongshan, causing him to give up on his martial arts school. 12 years later, Desri returns to challenge Dongshan. Dongshan takes him on, only to be badly defeated. His daughter Yichen and disciples Zhengbing and Shuya decide to come together to help Dongshan revive his martial arts school to take revenge.