The Chen family has been robbing tombs for generations. By the Wanli period, the family had already fallen into decline. Until this day, Chen Yanqiu's friend dug out a wooden box from his ancestral home. Since then, the secrets buried underground for 1,700 years have been revealed, and Cheng Yanqiu's career of tomb robbing has officially begun. The first time I entered the Hu Hai Mausoleum, I unexpectedly opened the thousand-year-old seal... What is the connection between this mausoleum and the Qin Emperor's Mausoleum? How many secrets are buried underground in the Qinling Mountains? Where is Genghis Khan's tomb buried? What is buried in the mountains of Ailao, far away from the Chief Secretary of Yunnan? Legend has it that at the end of the Western Han Dynasty, a group of imperial guards mysteriously disappeared here. What happened to them? And why did you enter this thousand-mile "Mourning Mountain?" The answers to all these questions will eventually be revealed by Cheng Yanqiu himself...