Spoiler : "...we were in the South Atlantic. Far away to the north showed dimly the grim, weather-beaten peak of the island of Tristan, the largest of the da Cunha group; while on the horizon to the westward we could make out indistinctly Inaccessible Island. Both of these, however, held little interest for us. It was on Middle Islet, off the coast of Nightingale Island that our attention was fixed. We were looking for a boat, a long-lost boat called the "Happy Return". My friend Trenhern's fiancée had sailed for Tasmania on the "Happy Return", but the craft had never reached van Diemen's Land. It had been lost in the vastness of the ocean. Only Trenhern would never believe that the beautiful girl he had sworn to make his wife would never again smile at him and sing to him. He searched and searched and I accompanied him on a voyage over the edge of the world into the abyss that lies... Beyond Midnight."