Hiccup and Astrid have had a daughter together for a year. Her name is Aileen. They live on Berk in their own house. Stoick is overjoyed when he sees his granddaughter or when she sits in his lap. He keeps imagining how Valka would react to her granddaughter. As loving as she was, she would be at least as proud of Astrid and Hiccup as Stoick was. One day, something unexpected happened...