明朝成化年(nián )间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤(jìn )若寒(hán )蝉。时有赵怀(huái )安（李连(lián )杰 饰）等流亡剑客挺(tǐng )身而出，接连铲(chǎn )除东(dōng )厂数(shù )名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西厂