The scientific research team led by explorer Xia Li followed the trail of his missing father and entered the inaccessible ridge, but was attacked by a prehistoric raptor. During the contest with the velociraptor, everyone discovered that the appearance of the prehistoric raptor was the same as his father had been looking for. The rare metals studied have a mysterious connection. Xia Li and the others must solve the mystery in the dangerous attack of dinosaurs and escape from Extinct Ridge.