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.

Humans built huge engines on the surface of the earth to find a new home. But the road to the universe is perilous. In order to save earth, young people once again have to step forward to start a race against time for life and death.