明朝成化年间，朝纲(gāng )腐败，奸邪当(dāng )道。西(xī )厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰）等流(liú )亡剑客挺身(shēn )而出(chū )，接连铲(chǎn )除东厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头(tóu )正劲的西厂