This book includes the story of a boy who was involved in struggles at an early age, influenced by his grandmother, heard about the coup in the palace, watched the absurdity of his uncle Li Xian, led the army to launch a coup, fought openly and secretly with Princess Taiping, and finally settled down to the throne. He opened up a vast territory and made peace within and outside. He made the country prosperous and powerful and the world peaceful. He is also versatile and loves art, music, and can also compose and act. He was Tang Xuanzong who created the prosperous Kaiyuan era. However, everyone also remembers that he doted on Concubine Yang and lived a luxurious life. He could only watch the Tang Dynasty decline all the way, unable to regain its past glory. He had great ambitions to govern the country, but there were also moments when he was greedy for enjoyment; he created the grand plan for the prosperity of the Tang Dynasty, but he also became the key to the decline of the country. From high-spirited to hasty escape, this was the tortuous life of Emperor Xuanzong of the Tang Dynasty.