After retiring, Jiang Yuqin struggles to make ends meet, and her pension is taken by her daughter-in-law. In her time of need, Jiang Yuqin meets Yaya, who is live-streaming to find a wife for her grandfather. Yaya wants Jiang Yuqin to be her grandmother, while Gu Zhendong, a hidden CEO, chooses to hide his identity and flash-marry Jiang Yuqin. After the marriage, Jiang Yuqin attends her in-laws' grand birthday banquet but is humiliated and mocked by them. At the critical moment, Gu Zhendong makes a grand entrance to defend Jiang Yuqin. The two, deeply in love, team up to put their detractors in their place.