明朝(cháo )成(chéng )化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害(hài )忠(zhōng )良(liáng )，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连(lián )杰 饰(shì )）等流(liú )亡剑客挺身而出，接连铲除(chú )东厂数名奸佞，致令(lìng )阉贼胆战心惊。适(shì )值此时，风头正劲的西厂