Yu Jinglan, the captain of the female spy team who traveled through time and space, became Yu Jinglan, the unloved fourth lady of the Prime Minister's Palace who was exiled to her ancestral home. By chance, she was taught by an expert and founded the famous Yunji Pavilion. A marriage was granted, tying two unrelated people to the same front. He was the King of Chu in the Great Xia Dynasty and the youngest son of the late emperor. However, he lost his mother and father when he was 2 years old. In order to get rid of the brother who was most harmful to his throne, the emperor and the prime minister set up a plan for him. Unexpectedly, a perfect match was achieved.