It's the year 2522, and planet Earth is dying. The artificial ozone layer, only 300 years old, is rapidly degrading. The sun now beats down on Earth. There's no water left. Without water, nothing can live. Trees die, plants die, animals die, people die... In a colony beneath the moon, people wait for news—news from home, news from planet Earth. And in a spaceship high above Earth, a young man looks at numbers on a computer screen. The numbers tell a story, and the young man is afraid.