明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪(xié )当道。西厂东厂为宦官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有(yǒu )赵(zhào )怀安（李连杰 饰）等(děng )流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞(nìng )，致令阉贼(zéi )胆战心惊。适值此时(shí )，风头正劲的西厂