Anna's grandfather is a paleontologist, but there has been no news since a scientific expedition ten years ago. Anna, who is now a staff member of a biological research institute, accidentally discovered her grandfather's legacyWith the clues that came down, she and Dr. Xie, who was also at the research institute, found the owner of the car dealership, Li Yuhang, and his assistant, Da Lei. They drove an old off-road vehicle and embarked on a journey to find the mysterious jungle, trekking through the mountainsAfter crossing mountains and ridges, they arrived at an almost isolated uninhabited area and encountered ancient animals and plants that had already been extinct in ancient times. After facing numerous dangers, they finally discovered huge footprints, and even moreA great danger is looming