明朝成化年间，朝纲腐败(bài )，奸邪当道(dào )。西厂东厂(chǎng )为宦官把持(chí )，混(hún )淆黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂数(shù )名奸佞，致令阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂