明朝成化年间，朝纲腐败，奸邪当(dāng )道(dào )。西厂(chǎng )东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野(yě )内(nèi )外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰(jié ) 饰）等流(liú )亡剑客挺身而出(chū )，接连铲除东厂数名奸佞，致令(lìng )阉(yān )贼胆战心惊。适值(zhí )此时，风头正劲(jìn )的西厂