Linqing, the second generation of modern rich people, traveled through time and became Li Min, the sixth son of Emperor Taizong of the Tang Dynasty. Using his identity as a playboy, he used the golden finger of the system to secretly plan and survive in the cracks of Li Shimin, Li Tai, Li Chengqian and other forces. He gradually demonstrated his ability to govern the country, disrupted the villain's conspiracy, and finally took control of the overall situation, helping the Tang Dynasty to prosper, while exploring the truth about time travel.