In the near future, the sun is rapidly expanding and will engulf the earth within 100 years. To ensure the survival of humankind, nations join hands to form an unprecedented, ambitious global project to build powerful engines on the earth's surface and propel the planet away from impending doom. Meanwhile, protests have broken out to demand the restart of the controversial Digital Life Project, which digitalises human beings after they have passed. Tensions soon escalate and the protestors plan to sabotage the Wandering Earth Project by attacking the Ark Space Station...