For over two centuries, the mysterious labyrinth of shafts and tunnels under Oak Island, a tiny island on Nova Scotia's south shore, has been the scene of frantic search by scores of treasure hunters from two continents. They believe the shafts and an intricate man-made flooding system hold the secret to a treasure of untold wealth. Crooker meticulously sifts through the evidence unearthed by treasure-hunters on the island, past and present. Then, armed with some startling new discoveries, he neatly fits the pieces together to offer a plausible solution to the baffling puzzle of Oak Island.