On the bottom of the icy sea off Nantucket lie the battered remains of the Italian luxury liner, Andrea Doria But few know that within her bowels lies a priceless pre-Columbian antiquity - a treasure that now holds the key to a puzzle that is costing people their lives The discovery of an artifact by an archaeologist at a Moroccan dig leads to the massacre of the excavation group The leader, on escaping, is rescued by Kirk Austin and his team who uncover a sinister plot