The renowned medical expert from the Military General Hospital, Xia Qingfeng (who had divorced early in life), has finally retired. He refuses offers from major hospitals and insists on enjoying his retirement. Together with his 30-year-old daughter, Xu Xiaoxiao, a chemistry teacher at a middle school (widowed), they decide to go on a road trip during her summer break. However, while in the underground parking lot of a large shopping mall in a tourist city, they have a car accident and both tragically die.

They unexpectedly travel back in time to the ancient era, inhabiting the bodies of a widowed mother and daughter in Yong’an Village. The mother is 19 years old, and the daughter is 3 years old. Living in extreme poverty and with nothing but each other, how will they survive? No worries, they have a mysterious space at their disposal. Watch as the mother and daughter duo make their way through the ancient world, thriving and living happily ever after…