明朝(cháo )成化年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官把持(chí )，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂