明朝成(chéng )化年间，朝纲腐败，奸邪(xié )当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆(xiáo )黑白，陷害忠(zhōng )良，朝野内外噤若寒(hán )蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除(chú )东厂数名奸佞，致令阉(yān )贼(zéi )胆战心惊(jīng )。适值此时，风头正劲的西厂