The history of the rise and fall of the Xuan Dynasty is ultimately inseparable from that name - Su Hengxuan. Without her, two neighboring countries would not have been destroyed in a row. Without her, the grand occasion of the Hengxuan period would not have occurred. However, in the end, she was lonely. Her closest relatives and loved ones all left one after another, leaving her alone facing the thousands of miles of mountains and rivers, filled with silence...