The year is 1532. Esteban, a young boy, is told that he was saved by Mendoza, a navigator on a Spanish ship from a ship wreck in a storm at sea. The only clue to his identity is a medal that Esteban wears about his neck. Esteban joins Mendoza on a trip from Spain to the new world - the Americas - where on route he meets two other children - Zia - an Inca girl and Tao, the last…