明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪(xié )当道。西厂东厂为宦官(guān )把(bǎ )持，混淆黑白，陷(xiàn )害忠良(liáng )，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺身(shēn )而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心(xīn )惊。适值(zhí )此时，风头正劲的西厂