Siu-seung lost his father at a young age. Suppressing the justice in his heart, he only believed in his fists. Dai-pang was his only best friend who always imagined protecting the earth. Destiny has its own ways, Siu-seung eventually joined Matsumoto Corporation and came across the outspoken Annie and Kwong Shing, the monster who severed one of his arms. A mysterious man who protected him in secret for years rallied up with a bunch of estate bullies and rascals who are friends of Siu-seung, making Siu-seung as their leader. Siu-seung miraculously regained an arm and was ready to fight back. But this time, Siu-seung must fight again for a special reason. Apart from reacquainting with that innate sense of justice, he will have to save the cop who failed to save his father all those years ago!