明朝成化年(nián )间，朝纲腐败，奸邪当(dāng )道(dào )。西厂东(dōng )厂为宦(huàn )官把(bǎ )持，混淆黑白，陷害忠(zhōng )良，朝野内(nèi )外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数(shù )名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂(chǎng )