Hardhearted and smart MO CHING (Lam Raymond) became a crippled when he was young. Fortunately CHING has met CHU KOT CHING NGO (Lam Ka Wah), the Head of the Sheriff Bureau, and has learnt from him his unparalleled skills of using concealed weapons. CHU has once helped the Sung Emperor recover an invaluable piece of article that the empire has long lost. To reward CHU, the Emperor reopened the Sheriff Bureau. In addition to CHING, CHU has recruited ZEOI MING (Sammul Chan), a cunning swindler, TIT SAU (Ma Kwok Ming), an honest guy and the cold-blooded LANG HUYT (Ng Cheuk Hai, Ron), and called them The Four...