The Blade Spares None

Ho Li-Chun, a pretty but ruthless swordswoman, and three challengers are participating in an open tournament at Prince Kuei's Palace. A knight, Chen Jo-Yu, is defeated in the tournament. He flees and later returns with knight Tang Ching-Yun who wields a strange sword. They get trapped but Ho deliberately sets both free after seeing Tang's weapon which she recognizes as the same weapon once used by Sun Tien-Chen, a foe of the Ho family. She decides to investigate. She finds out Prince Kuei actually is Sun, who killed the real prince years ago and assumed his identity. Ho s forces with Chen and Tang. The trio slays Sun in a desperate confrontation at the palace.