Xiang Yuan, an ordinary modern young man, traveled to the end of the Sui Dynasty due to an accident. He found himself in troubled times, surrounded by swords and intrigues. With modern knowledge and extraordinary wisdom, Xiang Yuan quickly emerged in this era. He met the young Li Shimin, and the two hit it off and became close friends. Xiang Yuan helped Li Shimin plan strategies to overthrow the tyranny of the Sui Dynasty step by step. Finally, he turned the tide in the Xuanwu Gate Incident, helped Li Shimin ascend the throne and became emperor, and ushered in the prosperous age of the Tang Dynasty.
During this magnificent history, Xiang Yuan not only witnessed the rise of the Tang Dynasty, but also met his beautiful confidante Li Xiuning. The two fell in love with each other in troubled times and experienced countless life and death tests together. Xiang Yuan used modern knowledge to help the ancients, improve agriculture, invent new weapons, and reform the military system, and became the founding hero of the Tang Dynasty. However, as the wheel of history rolls forward, Xiang Yuan gradually realizes that his existence in this era may change the course of history...
