The eternal lovers Anne and Gilbert are now married. Gilbert, now a doctor and Anne, now Mrs. Blythe were blessed with six children; all of them live in an old village on Prince Edward Island. Near Ingleside, where the family lives, there is a little beautiful valley, called Rainbow valley that the children love more than any other place in the world. As the four children of the new minister Mr. Meredith become good playmates of the Ingleside children, the valley turns more into a more and more lively place. But one day, from a strange reason, a girl called Mary appears looking for shelter… (Source: Meisaku Translations)

Niji no Tani no Anne is an adaptation of the 7th book in the Anne of Green Gables series of the same title.