thomas a dunn

September 1962: On a moonless night over the raging Atlantic Ocean, a thousand miles from land, the engines of Flying Tiger flight 923 to Germany burst into flames, one by one. Pilot John Murray didn't have long before the plane crashed headlong into the 20-foot waves at 120 mph. As the four flight attendants donned life vests, collected sharp objects, and explained how to brace for the ferocious impact, 68 passengers clung to their seats. They all expected to die.

Sloan McPherson and the Underwater Investigation Unit have discovered a van at the bottom of a murky Florida pond. Sealed inside the watery tomb are the bodies of four teenagers who disappeared 30 years ago after leaving a rock concert. To authorities, it looks like a tragic accident. To Sloan, it looks like murder. Every piece of evidence is starting to connect to a string of cold case vanishings throughout Florida. Clue by clue, Sloan navigates the warm, dark waters where natural predators feed, knowing that the most dangerous one is still above the surface - nesting and dormant.