In a world falling into eternal night, an''ygng is desperate to protect her family from the demons that hunt mortals. Armed with her crescent blades, she decides to enter a magical tournament, in the fabled immortal realm, with the hopes of winning a pill of immortality that will save her mother, who is dying after a vicious demon attack. But first, an''ygng must survive the ruthless practitioners she''s up against ... and guard her heart from an irresistibly wicked rival.