After three years of marriage, Shen Zhiyi finally realizes she has only ever been a stand‑in for the “white moonlight” in Gu Huaixu’s heart. Crushed by disappointment, she decides to divorce him. Only then does Gu Huaixu begin to recognize his true feelings for her and try to win her back—but time and again, he ends up hurting Zhiyi because of that same white moonlight.