明朝成化年间，朝(cháo )纲腐败(bài )，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良(liáng )，朝(cháo )野(yě )内外(wài )噤(jìn )若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑(jiàn )客(kè )挺身(shēn )而出，接连铲除东厂数名奸(jiān )佞，致令(lìng )阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂