明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东厂(chǎng )为宦官把持，混淆(xiáo )黑白，陷害(hài )忠良，朝野内外(wài )噤若(ruò )寒(hán )蝉(chán )。时有赵怀安（李(lǐ )连杰(jié ) 饰(shì )）等流亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )