明朝成化(huà )年间，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官把持(chí )，混淆(xiáo )黑白(bái )，陷害忠(zhōng )良，朝(cháo )野内外(wài )噤若寒(hán )蝉。时有赵(zhào )怀安（李连杰 饰(shì )）等(děng )流亡剑客挺身而出，接连铲除东厂数名奸佞(nìng )，致令阉贼胆战心惊。适值此时，风头正劲的西厂