明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客(kè )挺身而出(chū )，接连铲除东厂(chǎng )数(shù )名奸佞，致令阉贼胆战(zhàn )心惊。适(shì )值此(cǐ )时，风头正劲的西厂