An embroidered shoe from the countryside of Shaanxi led the captain into an abandoned Tang Dynasty tomb. However, the tomb within the tomb, the ghost mound of the Western Zhou Dynasty cut off all retreats. The Ladder of Souls became a passage to Hell or an endless black hole. Those who escaped from the Exquisite Ancient City all had an eyeball-shaped mark on their backs, which seemed to verify the manifestation of the devil's curse decades ago. Professor Sun, the only archaeological expert who knew the secret, was horrified when he saw this mark, and only said: "The secret of heaven must not be revealed." ”