In 1740, King George II of England entrusts Commodore Anson with a squadron of eight ships and 2,000 men. With his country at war with Spain, he is to harry the gold- and silver-rich Spanish colonies of Chile and Peru, then capture the Royal Galleon sailing out of Manila, whose holds are filled with treasures from Asia. This perilous mission requires circumnavigating the globe via Cape Horn and the Cape of Good Hope in the depths of winter. Little does he know when he sets out that this journey will take him four long years...