Eight years ago, Qi Qing broke up with Shen Weizong and went abroad because of the shadow of his original family. Five years later, she returned to China for her father's remarriage. Shen Weizong was upright in person, but pursued love privately. With five years of waiting and tenderness, Qi Qingyin gradually melted away Qi Qingyin's defenses. Faced with family disputes, career crises and shadows from the past, the two worked together to solve the problems. From bed partners to lovers, they finally spanned nine years and made a lifelong promise to stay together with the blessings of relatives and friends.