Dr. Pedro Calderon has a secret that has been guarded in his family for five-hundred years - the Will of Christopher Columbus. It contains the Navigator's enigmatic signature. A former professor of his, Dr. Emilio Caravel demands that he give him the Will, because the signature indicates the location of fabulous gold and Columbus' own tomb. With the aid of Nick Spear, a seasoned Coast Guard Officer, Adela, a female Archeology graduate student from Spain, and Dr. Calderon's own daughter, Maria, the signature is deciphered into a map. But their problems have already begun as Dr. Caravel tracks them from Pennsylvania to the Dominican Republic to find the treasure before they do.