明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安(ān )（李(lǐ )连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东厂(chǎng )数名奸佞，致(zhì )令(lìng )阉(yān )贼胆战心惊。适值(zhí )此(cǐ )时，风头正劲(jìn )的西厂(chǎng )