Wang Yi got a key, and if he opened a door in 2022, he would go to 1982, and if he opened a door in 1982, he would go back to 2022. Two completely different eras appeared in front of him: sufficient food security, Developed industrial products, miraculous medicine, and explosive information, this is 2022. Simple folk customs, rich wild resources, wandering antiques, and treasures of the age, this is 1982. Traveling through these two eras, Wang Yi is not too far behind. Big thoughts, he just wants to enjoy the small life.