"The SS Arcadia vanished during a routine voyage. A strange, garbled emergency message was broadcast, but no trace of the ship, or of its crew, could be found. Sixty years later, its wreck has finally been discovered more than three hundred miles from its intended course. A small team are granted permission to dive to it. Their purpose is straightforward: explore the wreck, film everything, and, if possible, uncover how and why the supposedly unsinkable...

Something lurks beneath the surface... Brodie McFadden is supposed to be on vacation, getting some sunshine and deciding if he wants to join his brothers in the Krewe of Hunters, a special paranormal investigation unit of the FBI. But a diving excursion with an old navy buddy to a historic shipwreck uncovers a crime scene-and the corpse is new. Museum curator Dakota “Kody” McCoy just wants her Key West culture festival to succeed. She's always...