Circumnavigation of the Sea of ​​Stars

Interstellar messenger technology connects distant civilizations, but it also exposes the truth that solar energy has been stolen. When the ice comes, the galactic management initiates inter-star migration and reveals the existence of high-dimensional countries. Explorers travel between alien stars and dimensions, facing energy competition, conflicts of civilizations and the limits of technology, to seek the next stop of civilization and what is the meaning of civilization?