Yun Shen, a graduate of the Department of Archeology, accidentally obtained a mysterious bronze fragment, which turned out to be the key to the legendary human holy land "Fire Cloud Cave". When he pushed open the dusty door, he discovered that the legend of the Three Sovereigns and Five Emperors was not a myth, but a shocking layout that spanned eternity. Fire Cloud Cave is the last refuge of ancient civilization and the final line of defense to protect humankind's fire. How will he, the chosen one, inherit this legacy that spans time and space and restart the forgotten civilization?
