明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀(huái )安(ān )（李连(lián )杰 饰）等流亡剑(jiàn )客挺身而出(chū )，接连铲除东厂(chǎng )数名奸(jiān )佞，致令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂(chǎng )