明朝成化(huà )年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白(bái )，陷害忠良，朝野内外噤若(ruò )寒蝉。时有(yǒu )赵怀(huái )安（李(lǐ )连杰 饰）等(děng )流亡剑客挺身而出，接连铲除东(dōng )厂(chǎng )数名奸佞，致令阉(yān )贼胆战心惊。适(shì )值此时，风头正劲的西厂