Tenko lived happily in Japan with her parents, until a mysterious accident took them from her and she had to return to the only remaining family, Susie and her family, in England.Susie and Tenko, as newfound cousins, become good friends, despite having completely different personalities. As family issues see them taking decisions beyond their experience as youngsters. They share many exciting and magical adventures with Susie's school friends and Cassidy, the cat.