The protagonist, a modern woman who transmigrated into the body of another Li Tingyun in 1975. In her original world, she inherited a three-story townhouse from her late parents, had a dimensional storage space obtained from a jade pendant at an antique market, and was socially anxious. After drowning at the seaside, she woke up in 1975 as an educated youth who married Yi Yang and had three children. She discovered her dimensional space came with her, now including a sea and her electric scooter. She resolved to raise the three children properly, unlike the original owner who neglected them.