明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混(hún )淆黑白，陷害(hài )忠良，朝野内外(wài )噤若寒(hán )蝉。时有(yǒu )赵怀安（李(lǐ )连(lián )杰 饰）等流亡剑(jiàn )客挺身而出，接连(lián )铲除(chú )东厂数(shù )名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂