There is an old cherry tree in the village of South Rosy Clouds that grows strange, bitter-tasting fruit. One day, while standing alone under the ripening fruit, Tilly hears a burst of laughter. She discovers that the housemaster used to have a lovely daughter named Little Green, who died just before turning five years old. Little Green can't leave the mortal world until she tastes the cherries. She has haunted the house for more than one hundred years! Can Tilly help Little Green fulfill her wish? This is a story of goodness and innocence.