明朝成化年间(jiān )，朝纲腐败，奸邪当道。西厂东厂(chǎng )为宦官把(bǎ )持，混淆黑白，陷(xiàn )害忠(zhōng )良，朝(cháo )野内外(wài )噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时(shí )，风(fēng )头正劲的西(xī )厂