Qin Chuan followed the notes of his grandfather's disappearance in 1937 and led a team to cut through the giant bronze gate of Xixia deep in the Helan Mountains. Under laser burning, dark red mucus oozed from the portal body! At the same time, everyone's radio blasted a desperate cry that traveled through time and space: "Teacher Qin! The door cannot be opened! We are still inside - June 11, 1937!" The crack in the door gradually opened, and the shadows squirmed. The last frantic warning in my grandfather's notes roared in my mind: **Don't believe the words of a living person!
