明朝成化年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑白(bái )，陷(xiàn )害忠(zhōng )良，朝野内外(wài )噤(jìn )若寒蝉。时有(yǒu )赵(zhào )怀安（李(lǐ )连杰 饰(shì )）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正(zhèng )劲的西厂