The story follows a curious boy named Jacob who longs to sail on a boat but cannot because he cannot swim. One day, he meets Captain Bluebeard and Carrot, who take him on an adventure in a magical flying sailboat. As they journey through the sky, they encounter interesting creatures and face a storm, but Jacob learns to be brave, and they eventually return safely to the lake. The adventure changes Jacob, and he realizes that nothing is impossible with a little bit of magic and belief in oneself.