The underground world is full of strange things. Not only do the Terracotta Warriors live there, but there are also various bronze artifacts, resurrected bronze beasts, and a kind of underground native creature called "Dihu". The battle between Dihu and the Terracotta Warriors lasts for a long time. The male protagonist Meng Yuan is a miscellaneous terracotta warrior in the underground Qin Mausoleum. He cooperates with the mysterious girl Shi Yu to capture Dihu and experience dangers. Unexpectedly, he discovers the mystery of the endless battle between Dihu and the Terracotta Warriors, and encounters a greater crisis...