The unexpected death of his father, a silver lighter engraved with "7", a photo from twenty years ago... Ningxia's peaceful life was completely broken. When she pursued the truth, she found herself involved in a shocking conspiracy about an immortality experiment. Is the appearance of the mysterious man "Seven" salvation or another abyss? What kind of secrets are hidden behind the love that spans time and space? When the truth emerges, how should Lin Xia face this cruel reality?
Purpose: Eternal love