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.

A looming collision with Jupiter threatens Earth as humans search for a new star. The planet's fate now lies in the hands of a few unexpected heroes.