When an explosion in the Norwegian mountains awakens an ancient troll, officials appoint a fearless paleontologist to stop it from wreaking deadly havoc.
Sonja Wigert, Scandinavia's most acclaimed female movie star, enlists as a spy for Swedish intelligence but ends up becoming entangled with the German Reichskommissar Terboven.
Gunder Jomann lives in the small place of Elvestad. He prepares to receive his wife, Poona Bai, who he met and married in India. Gunder gets delayed when his sister is injured in a car accident and he sends the local taxidriver to transport her to him at the hospital but the chauffeur do not find her. The following day the body of a foreign woman is found on a meadow, few meters from Gunders house. Inspector Konrad Sejer tries to unravel the mystery and discoveres soon that the dead person is Gunder's wife, Poona. Who killed her, and why?
A gnome named Gurin wakes up with a foxtail as punishment for his practical jokes.