明朝成化(huà )年间，朝(cháo )纲腐败(bài )，奸(jiān )邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀安（李连杰 饰(shì )）等流亡剑客挺(tǐng )身(shēn )而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此(cǐ )时(shí )，风头正劲的西厂