Sworn Brothers

Uncle Leopard adopts his friend’s son A Ding, who grows up with his own son A Guo like brothers. A Guo becomes a police officer after graduation from the academy, while A ding becomes the right-hand man of Yang Donghai, who is the head of an arms trading and drug trafficking gang. After knowing A Ding’s intention of leaving, Yang makes him a victim in the fight with a rival gang.