The two siblings Einar and Elin, a curious Viking boy and his older sister, sneak secretly into a shed of the famous Wikingersiedlung Haithabu. There rests a legendary dragon ship, which they have already heard about in countless stories.
The great Nordic storyteller has been recounting his incredible journeys for years: from trading voyages to the Varangians, dangerous encounters with Norwegian sea pirates, adventurous trips across Greenland to his journey to the end of the world – to the legendary Midgard Serpent.
But when footsteps suddenly approach, the children hide in a sea chest on board. And at that very moment, the magical ship begins to move slowly…