Viking Tuppy loves his native Sheptolesye and his friends. But since the day of his last adventure in Ice Bay, he has been dreaming of distant travels. Together with his friends, he builds a ship and, together with the fawn Hihihi, sets off on a journey across the Stormy Seas. Many incredible adventures await Tappy and Hihihi in the sea. They find new friends: the troll Burchi, the whale Razdum, the giant Valunni and the elf Svetilda. The evil sorcerer Torbul and the giant dragon Nadulgub stand in their way. And then it becomes a little dangerous... Fortunately, Tuppy has a huge heart and many friends, thanks to whom he finds a way out of any difficult situation.