Old and ready to die, Sadie Montgomery has no guardian angel to help her transition from mortal to immortal. Her rapid physical decline brings several angels to her bedside but none of them are hers. They are too young to be responsible for guarding Sadie and, try as they might, they cannot figure out who is. But it's just as well since Sadie refuses to go with them until proper arrangements have been made for the little girl in her care. Unlike Sadie, young Rashida has four guards but they don't exactly get along. They stubbornly feud and fight before eventually accepting that they must work...