明朝成化年间，朝纲腐(fǔ )败，奸邪当道(dào )。西厂东厂(chǎng )为宦官把持，混淆黑白，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等(děng )流亡剑(jiàn )客挺身而(ér )出(chū )，接连铲除(chú )东厂数名奸佞，致令(lìng )阉(yān )贼胆战心惊。适值此时，风头正劲的西厂(chǎng )