Celine is a heavenly watcher, an angel in charge of making sure demons stay on the right side of true evil. Levi, a half demon, has been causing her intentions to teeter the brink of taking him to hell and letting him take her in a way that makes her wings flutter uncontrollably. When she leaves the safety of her home to prove she can handle this half-breed, Celine winds up receiving much more than she bargained for. Will she be able to return to her Heavenly home, or is it already too late?