At the beginning of the world, everything is new. The Nine-turn Linglong Stone guarded by the Wu Clan gathers the luck of heaven and earth and can turn the world upside down day and night. The Moonlight Stone in it has the miraculous effect of bringing souls to life and killing people. However, in order to seize the Linglong Stone, the dark witch did not hesitate to use dark and bloody means to secretly provoke conflicts between the Western Wei, Southern Liang and the Achai tribe, in an attempt to overthrow the regime and seize the Linglong Stone in the chaos. In order to defend the border city of the country, the eleventh prince Yuan Che did not hesitate to fight for his life and almost died. Fortunately, the Wu Clan helped him and protected his heart with the Moonlight Stone, giving him a glimmer of hope. With the help of the Wu Clan, his fiancée Yin Caiqian entered Yuan Che's dream world to help him untie his knot and reunite his soul. However, she was obstructed by the dark witch and failed. What Yin Caiqian didn't expect was that her former lover had become a stranger in the dream world. Not only did his temperament change drastically and his personality split, but his childhood sweetheart and even his orientation took a 180-degree turn. All this caught Yin Caiqian off guard. Where will their relationship go?