明朝成(chéng )化年间，朝纲腐败，奸(jiān )邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉(chán )。时有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺(tǐng )身(shēn )而(ér )出，接连铲除东厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此(cǐ )时，风头(tóu )正劲的(de )西厂