明朝成化年间，朝纲(gāng )腐(fǔ )败，奸邪当道(dào )。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂(chǎng )数名(míng )奸(jiān )佞，致(zhì )令(lìng )阉贼胆战心(xīn )惊。适值此时，风头正(zhèng )劲的西厂