"Kendo" 1937, on the eve of Japanese invasion of China, the abbot who raised Nian (Yang Yang) as a child was suddenly assassinated and killed by people from the Wuhu gang, and was forced to go down the mountain to avenge Nian's life, saving the daughter of Han Meiyu (Jenny), a North Korean commander in distress. Since then, grateful Han Meiyu is no longer calm. She involuntarily approached Niansheng again and again to cover for him. And loyalty hall veteran Datang grandpa four (ornaments) and * * party member (Niu Baojun) inadvertently involved in the Japanese army to recapture the formula of bacterial weapons, wantonly killing * * party member. At the time of crisis, Niansheng resolutely accepted the arduous intelligence task and joined the team to resist foreign invasion without hesitation. As a Jianghu chivalrous man, Nian Sheng showed his fearlessness and the lofty sentiments of American Jianghu in the life-and-death contests with the Japanese army again and again.