The middle-aged alcoholic Runar believes he has scored the perfect date. Things take a strange turn when he realizes he’s impregnated with her alien eggs.

This time, they travel on holiday with Aunt Thea to Summer Island. There they meet Eddy who is an expert on all the challenges they can face on a magical island. It is rumored that a sea worm has been observed in the fjord, and it will not be long before the energetic sea worm expert Blegen shows up, with his strange devices and instruments. It will be an exciting summer holiday with friendship put to the test, exploration in nature and the hunt for the mysterious sea worm.

On the brink of the Second World War, a young Norwegian man's drive to resist the Nazis sets a new course for his future – and the future of his country.