Oslo, Norway. After living a traumatic experience, Anna and her son Anders move into a huge apartment building. Feeling constantly terrified and insecure, Anna buys a babycall to monitor Anders while he sleeps.
When the new boy in class, Jørgen, moves into the haunted house down the road, Anne’s world turns upside-down; she falls head over heals in love with him.
It's the harshest winter in memory, and the gnomes' very existence is in danger. Eager to help, Queen Fjellrose betrays one of their strictest rules and goes out looking for the Blue Horn, a magical instrument that can alter the weather.
