Acclaimed director Chu Yuan was credited for bringin mystery thriller ingredients into his atmospheric martial arts epics, and this is one of the most impressive examples. The title refers to the feared nickname of a notorious rapist-murderer who swoops down to destroy one swordsman's fiance and frame another. Or des he? The two tragic men team with a beautiful swordswoman to find the truth - only ot discover incredible traps, ambushes, duplicity, avarice, and betrayal between them and the mystery's final solution.