In a world where Angels and Demons lived together somewhat peacefully among one another after peace laws, there is still a lot of tension between the two. Kim Taehyung, a devilishly handsome demon moves into the apartment across from Jimin, one of the purest angels around. They loathe each other from the start, but could something bud between the two, despite the animosity between the two kinds? Unlikely does not mean impossible...