Hu Bayi, Shirley Yang, and Wang Pangzi were hired by Professor Lin to join the team to protect cultural relics. During a mission, they accidentally got clues about Shirley Yang's father, which was related to the ancient city of Lop Nur. Hu Bayi knew that his father's disappearance had always been Shirley Yang's heart knot, and decided to explore her father's whereabouts and the secrets of the ancient city of Lop Nur with her. So the trio set out on the road to Lop Nur with Professor Lin and others to find the ancient city of Lop Nur. There were dangers all along the way, and after several difficulties, they finally found the ancient city of Lop Nur, but a greater crisis was still waiting for them.