When the Sun begins to expand in such a way that it will inevitably engulf and destroy the Earth in a hundred years, united mankind finds a way to avoid extinction by propelling the planet out of the Solar System using gigantic engines, moving it to a new home located four light years away, an epic journey that will last thousands of years.

As the sun is dying out, people all around the world build giant planet thrusters to move Earth out of its orbit and sail Earth to a new star system. Yet the 2500-year journey comes with unexpected dangers, and in order to save humanity, a group of young people in this age of a wandering Earth fight hard for the survival of humankind. This 2020 re-release adds 12 more minutes of contents which better compliment the story and setting of the 2019 Sci-Fi blockbuster.