The Narrows are the most shark infested waters of the Caribbean, a three kilometer wide strait steeped in folklore that exists between the islands of St Kitts and Nevis, upon which ships full of people risk passage every day. In 1970 the Christena ferry disaster claims the lives of over 233 passengers, and a young man named Marcus is part of the daring rescue operation, battling abnormally aggressive sharks and stormy seas to rescue victims...