Tuoba Yu guarded Kunlun Ruins for countless ages, while Kunlun Ruins guarded the mortal world for just as long. A thousand years later, a group of passionate young people set out for Kunlun Ruins. Before leaving, they promised to meet again a thousand years later at the Snow Mountain Gallery. But as the morning bell and evening drum mark the start of another long night, and the vast river of stars approaches dawn, will the darkness truly give way to a hopeful tomorrow? Will the young people’s thousand-year promise be fulfilled?