-Sometimes you find that the earth has so many secrets, and some people are willing to crack these secrets. In 2026, the 13-year-old Chinese boy "Silverstar", who travelled on a luxury cruise ship with his friends, was accidentally involved in the Space-Time Turbulence and returned to 300 million years ago. At that time, the earth was in the "Carboniferous." According to archaeologists, this era had huge insects because of high oxygen content. The mainland was still connected together and called "Pangaea". In this era with law of the jungle, Silverstar and his friends unexpectedly found that there were other humans there, as well as giant insects and monsters beyond imagination. Could they escape the fate of being exiled by time and return to the 21st century? All the answers will be revealed in this book!