明朝成化年间，朝(cháo )纲腐(fǔ )败，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时(shí )有(yǒu )赵怀安（李连杰(jié ) 饰(shì )）等流(liú )亡剑(jiàn )客挺身而出，接连铲除(chú )东厂数(shù )名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正劲的西厂