Jonathan Stewart is not at all happy about having to return to earth as a guardian angel, but it's required of all post-mortal spirits to fulfill at least one angel guardianship. Fortunately, on the Guardians Unlimited application, he had the good sense to request a client with early-marked-death status, so he believes that while his stay on earth will be most unpleasant, at least it will be short. What he doesn't know is that a spirit with EMD status can choose his or her time of death Jonathan's client, Celeste Knight, has a mind of her own and refuses death at every turn, leaving him stuck as her guardian angel-in a place he only wanted to forget.