明朝成化年间，朝纲腐败，奸邪(xié )当道(dào )。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白(bái )，陷害忠良，朝野内外(wài )噤若寒蝉(chán )。时有(yǒu )赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数(shù )名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头正劲的西(xī )厂