明朝成化年间(jiān )，朝(cháo )纲腐败(bài )，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害(hài )忠良，朝野内外噤若寒(hán )蝉。时有赵怀安(ān )（李连杰 饰）等流亡剑客挺身(shēn )而(ér )出，接连铲除东厂数(shù )名奸佞，致令阉贼(zéi )胆战心惊。适值(zhí )此时，风头正劲的西厂(chǎng )