A story that revolves around the anti-Japanese occupation and follows Bai Niansheng, a man from the pugilistic world who fight to save his countrymen. The Japanese army began their invasion of China in 1937. Niansheng (Yang Yang) who was raised by an abbot is forced to come down from the mountains to take revenge for his master after he was murdered in the hands of the Wu Hu Clan. Along the way, he saves Han Meiyu (Zhang Jiani) from harm and an extraordinary relationship develops between the two. Tang Si Ye (Lian Yiming), the leader of the Loyalty Hall, and Li Shaofei (Niu Baojun), a member of the Communist party, chance upon mass killings launched by the Japanese to recover the formula for a biological weapon.