明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当(dāng )道。西厂东厂为宦官把持，混(hún )淆黑白，陷害(hài )忠良，朝野内外(wài )噤(jìn )若寒蝉。时(shí )有赵(zhào )怀安（李连(lián )杰 饰）等流亡剑客(kè )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(fēng )头正劲的西(xī )厂