Anthropology professors, Laly Lawrence and Sarah (Sugar) Stevens are working in the Bahamas when their dive group sees an unusual and unreported storm heading straight toward them. Sugar dives down to get Laly to safety but the storm catches them in its mighty grip and pummels them beneath the ocean waves. When they are able to surface they seem to be between English and Spanish ships in the midst of a bloody battle. Shock and horror take hold as...