明朝成化年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野(yě )内外噤(jìn )若寒蝉。时有赵怀安（李连(lián )杰 饰(shì )）等流亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令(lìng )阉贼胆战心惊。适值此时(shí )，风头正(zhèng )劲的西(xī )厂