明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东(dōng )厂(chǎng )为宦官把(bǎ )持，混淆黑白(bái )，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等(děng )流亡剑(jiàn )客挺身而(ér )出，接连铲除东(dōng )厂数名奸佞，致令阉贼(zéi )胆战心惊。适值此时(shí )，风头(tóu )正劲(jìn )的西厂