People think that angels, demons and other creatures don't exist. They believe that they're safe and no one or nothing can hurt them… Lee Taemin transfer to a new school in Seoul and thinks that this is finaly the right one. He leaved from the last one because of one reason: He´s not a human. He is an angel who just wants to finish high school. But what a surprise, when he meets someone he didn´t expected. Lucifer…