A social animal from a modern small town accidentally recognized the jade ring that was the relic of the grandfather of the owner. There is a spiritual spring space inside the ring. Inside the ring is a ring spirit that has been sleeping for tens of millions of years. It was awakened by absorbing the blood of the male protagonist Wang Tian. The ring spirit is the storage of a great god in ancient times. Ring, after countless years of energy consumption, the ring spirit has decomposed the spiritual stone magic weapon in the ring to replenish energy, and it has maintained its soul until now. If there is no energy replenishment, the soul will disappear in two years. At this time, the male protagonist Wang Tian happened to recognize the ring. The male protagonist gets a ring to plant and breed in space, and can also travel back in time to ancient times. At the beginning of the first year of Zhenguan in the Tang Dynasty, Li Shimin had just been emperor for a month. The male protagonist Wang Tian uses the food grown in the space to make money in ancient times, collects Tang Dynasty objects and resells them in the modern world. Using modern things, he exchanges objects with ancient people in ancient times and brings them back to resell them. He also provides advice to the ancient emperor, and he is prosperous in both worlds.