明朝成(chéng )化年间，朝纲腐败，奸邪当道。西(xī )厂东厂为(wéi )宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外(wài )噤若(ruò )寒蝉(chán )。时有赵怀安（李连杰 饰）等流(liú )亡剑(jiàn )客挺身而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正劲的西(xī )厂