明朝成(chéng )化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂(chǎng )东厂为宦官把(bǎ )持(chí )，混淆黑白，陷害忠良，朝野内外噤若寒蝉(chán )。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂数名奸佞，致(zhì )令阉贼胆战心(xīn )惊。适值(zhí )此时(shí )，风头正劲的西厂