As a time traveler, Yan Yan was undoubtedly unfortunate. He came to the Southern Song Dynasty, which was known as the richest dynasty in ancient China. However, his misfortune was that he was not in Jiangnan, but in Bianliang, the place that people longed for. They regained the former capital, and then regained it. The cradle of Chinese civilization - Luoyang, but the "Duan Ping Entering Luoyang", as an adventurous military operation by the emperor of the Southern Song Dynasty, not only lost the natural justice of regaining his homeland, but also gave the northern national regime a reason to launch a unification war, but what could he do? Even if you travel through time, it will only be one in tens of millions of people being trapped. So what should you do? Under the iron cavalry, in a world where there is no trust or reliance. Protect the people you protect, cherish the moment you cherish, and then live bravely, live to look forward to the sun every day, and live to protect all the beauty in the world.