arbro feels a bit lonely in her family. Her father loves her mother the most and her mother loves Barbro's brother Jonas the most. Barbro's dearest birthday wish is to get a dog, but it's too expensive for the family.
However, Barbro has a secret: she has a twin sister called Ylva-Li. Ylva-Li lives in a secret land called Salikon, under the rose bushes in the garden, where she is queen. Ylva-Li and Barbro experiences many adventures. In addition, Barbro has everything she could wish for: two dogs, a cat, horses, food that she likes, unforgettable experiences, etc. Furthermore, Ylva-Li loves Barbro more than anything else and calls her her most beloved sister.
The day before her birthday, Barbro visits Ylva-Li. The girls make a trip to the most beautiful valley in the world. The sisters have to pass the dark forest of fear, where the evil ones live. When they arrive at the most beautiful valley in the world, Ylva-Li and Barbro enjoy a wonderful day there. However, Ylva-Li has to deliver some bad news to her twin sister. If the roses in front of the entrance to Salikon have withered, it means that Ylva-Li is dead. Desperately, Barbro runs home. Even her mother can not comfort Barbro.
When Barbro gets up on her birthday, she gets a puppy. Her parents had just pretended that they could not afford the dog to surprise Barbro. When Barbro goes out into the garden, she discovers that the roses have withered in front of the entrance of Salikon. The entrance to Salikon no longer exists. Barbro is sad, but is happily greeted by her puppy dog Ruff, who cheers her up. Barbro and Ruff go for a walk together.