When Fang Kun, a graduate student in the Department of Archeology at Qinchuan University, was helping to recover cultural relics lost overseas, he discovered that a tomb in Yin Village, Bailuyuan, might be an unknown high-level imperial tomb. His mentor Zan Maochang took him to Bailuyuan for field investigation, but he accidentally lost his life. Fang Kun followed his mentor's last wish and grew up to be an archaeological team member. The unknown tomb in Yin Village attracted the attention of the archaeological community.