明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦(huàn )官(guān )把(bǎ )持(chí )，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致(zhì )令阉贼胆战心惊。适值(zhí )此(cǐ )时(shí )，风头正劲的西厂