明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠(zhōng )良(liáng )，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安（李(lǐ )连杰(jié ) 饰(shì )）等流亡剑客挺身(shēn )而出，接连铲除东厂(chǎng )数名奸佞(nìng )，致令阉贼胆战心惊。适值此时，风头正劲的西厂