明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持(chí )，混(hún )淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵(zhào )怀(huái )安（李连杰 饰(shì )）等流亡剑客挺身(shēn )而出，接连(lián )铲除东(dōng )厂数名奸佞，致令阉贼胆(dǎn )战心(xīn )惊(jīng )。适值此时(shí )，风头正劲的西厂(chǎng )