A kung fu film written by Ni Kuang and directed by he Menghua. The father of Ling Hao and Li Chengying was originally a cooperative partner, but in order to rob Li's mother, Ling Fu unexpectedly resorted to tricks that led to the destruction of Li Fu's family. In order to avenge his father's revenge, Li Chengying sneaked into the Ling family as a bodyguard, looking for an opportunity to avenge. During this time, Li Chengying and his lost brother Kun Shi met. Without knowing each other, they mutilated each other. Fortunately, Li's mother revealed the truth in time, and finally the misunderstanding was solved. The two brothers shared a common hatred against the enemy, both avenging themselves and destroying the culprit of a professional drug trafficking activity for the society.