in an unexpected air crash, 31-year-old white-collar worker shi jian (played by tang yan) traveled back ten years ago, when she was still a young university. ccc。 in the past ten years, shi jian has experienced many things and encountered many regrets. shi jian, who has obtained the opportunity to come back, decided to make up for these regrets at all costs. with shi jian, he traveled back ten years ago, 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 been devoted to love ye jiacheng (played by dou xiao), who will become her husband in the future. the relationship between shi jian and ye jiacheng was not easy, and 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, and ye jiacheng died in a car accident to save people.