This book tells the story of "me" dreaming back to ancient times in a dream and following the Lu family brothers and sisters and many friends to pursue the so-called "ideal place" Nishang Yanyu Building, and a series of stories that happened in it, such as exploring many strange "pavilions" that have never been seen before, and in the process of exploration, they have successively encountered local landlords and bullies, combined separatist forces, royal family members and rebels...... The ambitious prince who competed for the throne, invaded by foreign enemies, but there was no shortage of "bosom friends", such as Su Hanyu, a little girl whose parents were lost in the enemy village, who followed her parents to the sea to fish all the year round, and finally her parents were taken away and had no one to rely on, the tragic but full of exploration spirit, Li Linggang, a brave and simple young man who believed that his parents who had been lost for many years could be found in the Nishang Yanyu Building, the kind-hearted old medicine man who hung the pot to help the world, and Chen Xiaoge, the female musician of the Qinglou who had a relationship with us and helped us in secret many times. Although, in the end, the prosperity is no longer there, the war is raging and many friends have "left" for different reasons, and finally find the so-called "neon clothes and rain building". However, Lu Yuanfeng was lost in the "illusion and couldn't extricate himself" after seeing his close friend Qingzhu for a long time, Lu Xueqing finally died because of "love and hate", and "I" finally struggled to escape from the war and fled to the wilderness. All this seems sad but is actually in a dream.