明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把(bǎ )持，混淆黑白，陷(xiàn )害(hài )忠(zhōng )良，朝(cháo )野内外噤(jìn )若寒蝉。时有赵怀安（李连杰 饰）等流(liú )亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令(lìng )阉(yān )贼胆战心(xīn )惊。适(shì )值此(cǐ )时(shí )，风头正劲的西厂