A young American woman and her husband go diving on Australia’s Great Barrier Reef. But their dive boat leaves, abandoning them 38 nautical miles out at sea. They were never seen again. What happened to this couple? Were they the victims of sharks? Did they stage their disappearance, and run away? Some even speculated that they fulfilled a suicide pact. Amid all the rumors, her parents struggle to protect the memory of their daughter and the man she loved.