A sailor without a boat and far from the sea meets a woman who has answers to questions that certain men have been asking for centuries: secrets hidden in old nautical charts, naval museums and libraries. The woman manages to convince the desperate sailor and drag him into the ambitious adventure of discovering a ship that has been sunk for centuries, following the coordinates of an old nautical chart. The aim is to acquire an ancient treasure. The book is narrated in the first person by the sailor. It includes several sensual descriptions.