While the distant planet Kepler62 is indeed inhabitable, life there is surprising and challenging for the young space adventurers chosen to live there. For one thing, the seasons on the new home planet change rapidly: the colorful autumn is over in one day and the farm is replaced by freezing cold and masses of snow.
As the children struggle against the natural conditions, they are also faced with ever-increasing questions. The biggest mystery surrounds the extra travel capsule on their spacecraft that is now open and empty. Whoever traveled in it is now awake and on Kepler62 with them. But who could it be, and where are they?