Ma Kin-Ming

A vigilante serial killer in Hong Kong leaves ominous death notices, prompting the police to launch a special task force to uncover a hidden conspiracy.

Bull's father got his eye blinded for protecting his best friend, Hing. Since then, he hid away from friends and lived a quiet life with Bull. Years later, the two brothers somehow meet again. Hing run a boxing club and he promised Bull’s father to train Bull well. Under Hing’s teaching, Bull becomes a very skillful boxer.