Very Dearest Sister (1988)

Barbro has a sister in secret, a twin sister named Ylva-Li. Ylva-Li lives under a rose bush, but not any rose bush. It is Salikos roses. When Barbro feels lonely and like her family doesn't care about her she can disappear into the hole under the roses. This day, Barbro and her sister are going on a journey. A long journey to the most beautiful valley in the world.