A fascinating novel by the classic of Italian literature Emilio Salgari takes the reader to the shores of New Caledonia, where the ship of Captain Fernando de Belgrano is wrecked. The hero himself miraculously escapes, ends up among the savages and even becomes their leader. However, his days are numbered, and the last thing he can do for his children is to send them a letter and a map with directions to where the treasures of an ancient civilization are hidden.