Once a martial arts bully on the streets of Northeast China, Ah Neng came to Kowloon Castle in Hong Kong to make a name for himself and started fighting from scratch. However, he was caught up in a conspiracy and melee between black and evil forces. In the end, to protect being hackedA good friend pursued by evil forces, A Neng regained himself and stepped forward to fight against the black and evil forces with the residents of the city, vowing to defend his friend to the death.