Scientists have discovered that the expanding sun threatens to engulf the entire solar system within a few hundred years. Facing the dual crisis of an impending apocalypse and the survival of humanity, the United Earth Government (UEG) is formed to seek a way out. Humans finally decided to implement the Wandering Earth Project to propel the Earth out of the solar system. However, the journey ahead is shrouded in uncertainty. As humanity struggles to save itself, global political turmoil and infightings seem endless. The solution to the crisis has become a crisis itself.