明朝成化年间，朝纲(gāng )腐败，奸邪当(dāng )道。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒(hán )蝉。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客(kè )挺身(shēn )而出，接连铲除东(dōng )厂数名奸佞，致令(lìng )阉贼胆战心(xīn )惊。适值此时，风头(tóu )正劲的西厂(chǎng )