In an unexpected air crash, 31-year-old white-collar worker Shi Jian (played by Tang Yan) traveled back to ten years ago, when she was still a young college student. In the past ten years, Shi Jian has experienced many things and encountered many regrets. Shi Jian, who got the chance to start over, decided to make up for these regrets at all costs. Shi Jian traveled back to ten years ago with Yi Pei (played by Yang Shuo), the boss of Yimao Group. By chance, Yi Pei fell in love with the simple and kind Shi Jian. However, Shi Jian has always loved Ye Jiacheng (played by Dou Xiao), who will become her husband in the future. The relationship between Shi Jian and Ye Jiacheng is not easy. The two encountered many difficulties on the way to each other. But in the end, their determination made the two happy, but misfortunes followed one after another. Ye Jiacheng died in a car accident while saving people.