明朝成化年间，朝纲腐败，奸邪当道。西(xī )厂东(dōng )厂为宦官把持，混(hún )淆(xiáo )黑白，陷害忠良(liáng )，朝野内外(wài )噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流(liú )亡(wáng )剑客(kè )挺身而出(chū )，接连铲除(chú )东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西(xī )厂(chǎng )