明朝(cháo )成化年间，朝纲(gāng )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，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑客(kè )挺(tǐng )身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心(xīn )惊。适值此时，风头(tóu )正(zhèng )劲的西厂