The Golden Sea is an ancient desert with entire kingdoms now mostly buried under the scorching sand. A land so thick with legend and history it simply lay under the sand waiting to be unearthed. So, when Twilight is invited to go to an excavation in the desert she agrees, expecting to uncover ancient history. However, when she stumbles across an injured sphinx in the middle of the desert she quickly finds more than simple history remains hidden under the sands. Some mysteries are simply best to remain buried.