明朝成(chéng )化年间(jiān )，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害(hài )忠(zhōng )良，朝野内外噤若寒蝉(chán )。时有赵怀安（李连杰 饰(shì )）等流亡剑客(kè )挺(tǐng )身(shēn )而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正劲的西厂