Este libro nos cuenta la historia de una niña que ha perdido a su madre. Unos amigos con alas acuden a ella para recordarle que el amor por la naturaleza que ambas compartieron, abre una puerta que la acerca hasta ella.
 
This book tells us the story of a girl who has lost her mother. Some friends with wings come to her to remind her that the love for nature that they both shared opens a door that brings her closer to her.