明朝成化年(nián )间(jiān )，朝(cháo )纲腐(fǔ )败，奸邪当道。西(xī )厂(chǎng )东厂(chǎng )为宦官(guān )把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰(shì )）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正劲(jìn )的西厂