The great emperor Xia Dongqing of the human race went to Tigaden Star for advice in order to make a further breakthrough, but was told that he needed to unify Blue Star to enter Tigaden Star. Unified Blue Star needs to find the missing jade seal of the country. After many investigations, it was found that the jade seal passed through and was left in the North Sea. The North Sea is dangerous and the entrance is hard to find. There is a family that has been guarding the North Sea for generations, as long as they know how to enter. At this moment, Dongqing discovered a game-within-a-game against him, and Riven was a part of it. So, he entered the game with his own body, but found that the future world was involved...
