明朝成化年间，朝纲腐(fǔ )败，奸邪当道。西厂东(dōng )厂为宦官把持(chí )，混(hún )淆黑白，陷害忠良(liáng )，朝(cháo )野内外噤若寒蝉(chán )。时有赵(zhào )怀安（李连杰 饰(shì )）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致(zhì )令(lìng )阉贼胆战心惊。适值此时(shí )，风头正劲的西厂