Lin Xiangyu woke up to find herself in the 70s. She also discovered that all three members of her family had come to the 70s. Now facing the worry of the quota to go to the countryside, Lin Xiangyu suddenly activated the check-in system, which also came with a portable space. With this, material freedom is not a dream, barren wilderness turns into a granary, and while others earn work points in the 70s, Lin Xiangyu relies on the system and space in an era of material scarcity. Lin Xiangyu and her family work with one heart, leading the whole family to get rich.