明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官(guān )把(bǎ )持，混淆黑(hēi )白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺身而(ér )出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时(shí )，风头正劲(jìn )的西厂