In the ceaseless drizzle of Yangcheng, the old Song family mansion hides untold pasts. Jiang Yu, the granddaughter of Elder Song, suffered family changes in her childhood, enduring days with patience and living under another's roof. The whole family treated her with cold indifference. To change her destiny, Jiang Yu meticulously arranged it, accidentally forming a bond with He Lian, the crown prince of Jinzhou, on a rainy night. This decisive and consistently aloof man was initially furious and investigated, but gradually became attracted to her during their time together, stepping into her world step by step. As layers of disguises faded, the truth gradually emerged. She used his power to walk out of adversity, while he knew everything yet chose to protect her. Two hearts that had weathered hardships warmed each other on the thorny road, finally achieving fulfillment.