On a visit to a seaside town in Australia, fifteen-year-old Sam meets Annabel, who works at the local museum. Annabel's interest in history is infectious, and Sam soon finds himself eager to hunt for the remains of a famous shipwreck that is thought to be hidden nearby. When a storm exposes a structure, Sam and Annabel are convinced it's the fabled ship. Soon all of the museum staff are at the site to check it out. But the...