Qiao Shuyan, a master of history from the 21st century, likes to buy some ancient books. One day he found a fantastic ancient book - it recorded a plant called Kunliang. While Qiao Shuyan was searching for it, his sister Qiao Shuwan accidentally touched her and disappeared in front of him. In order to find Qiao Shuwan, he also touched Kunliang. After a period of dizziness, he found that he had come to an ancient country, the Liu Kingdom, and became the prime minister. However, this country did not exist in the world he lived in. In order to find his sister and return to reality, he had to establish his character and enhance his power. In the process of searching for his sister, he met Liu Yu'an by fate. They originally had mutual interests, but in the end they started a love affair in time and space...
Concept: Love across time and space
