 After a fight, the school of master Hang Tui has to face the opium dealer Chao and his thugs. After a first defeat, the treacherous Chao hires a bunch of ruthless mercenaries. Tien Lung, Hang Tui s best student, is the only survivor, but without one of his arm. He has to undergo very painful training to exact revenge on evil Chao and his deadly henchmen.