明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安(ān )（李(lǐ )连杰 饰）等流亡剑(jiàn )客(kè )挺身而(ér )出，接连铲除东厂(chǎng )数名奸(jiān )佞，致令(lìng )阉(yān )贼胆战心惊。适值此时，风头正劲的西厂(chǎng )