Lin Ning, the legitimate daughter of the Hou family, was shocked to find that her appearance was ageless and her wounds healed instantly after ten years of her wedding. Her husband Gu Shengchuan guarded the border. Although the two were in love for a long time, Luo Ning followed her husband to the desert for fear of being regarded as an evil spirit, and sewed black silk into his armor with his own hands. After her husband died in the war, Luo Ning carried the secret of immortality with her, and continued to fake her death and move around during the long years. From Jiangnan scholars, to iron-blooded warlords, to modern wealthy young men, she kept encountering men who looked very similar to Gu Shengchuan. Is it a soul reincarnation that spans thousands of years, or is it an obsessional hallucination that she cannot escape? My black hair is not yet white, is my old friend really coming back?