This is a story of a girl whose parents differ from each other. Her mother, an angel and her father, who repented from all his sins and who was accepted in heaven, a former demon. She wasn't allowed to stay in heaven yet so she was sent to Earth by God to prove herself that she's worthy on living in heaven. Fulfilling her missions and saving the lives of the people on Earth, to be reunited with her parents from heaven. Now that some people on Earth are starting to loose their faith, evil and demons lurk through the shadows of Earth, seeking the ruins of the lost souls. Making them even stronger and powerful. As she figure out who she really is, would she succeed on her missions and be reunited with her parents once more or will she choose another path?

Emma is not a normal girl, she's an earthbound angel posing as a highschool senior to gain and education of the human type before she returns to heaven. But sometimes things don't go as planned. Valerie, a demon is also posing as a highschool student but not for the education. She's looking for an angel, and when she comes across a girl who is a straight A student that seems rather appetizing to her, she slows her pace on finding her immortal enemy. After a sudden realization that she has found her angel, she tries to stay away but she feels something more for this angel. when a big change happens in their lives they are brought closer together to defeat the true evil of the world but they're going to have to do some questionable thing to do so.