
A Neng, who used to be a street warrior in the Northeast, came to Hong Kong’s Kowloon Walled City to fight from scratch in order to stand out, but unexpectedly he was involved in a conspiracy and melee between the underworld forces. In the end, in order to protect his good friend who was hunted down by the underworld forces, A Neng regained himself, stepped forward, fought against the underworld forces with the residents of the city, and vowed to defend his friends to the death.