In the early years of the Republic of China, Sun Yat-sen, the founding father of the country, established the Republic of China. Gradually, the nobility declined and new warlord forces emerged. Wang Shu is the son of the declining aristocrat Wang Yu. When the rebels broke into the house and killed his parents, he was left by his loyal servant Li Yuang. At this point, his glory and wealth were gone. What followed was a storm, the May 4th Movement, the Northern Expedition, the eight-year war of resistance, and even the defeat in Taiwan. Of course, he met a woman during the war, named Wanqing. Their agreement will come true one day, but I don't know when that day will be. What kind of agreement will make the two of them protect each other for life?