明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内(nèi )外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰(shì )）等流亡剑(jiàn )客挺身而(ér )出，接(jiē )连铲除东(dōng )厂(chǎng )数名(míng )奸(jiān )佞，致令阉贼胆(dǎn )战心惊(jīng )。适值(zhí )此时，风头正劲的西厂