Martin had a good life, a happy family, a steady job where he was rarely noticed - and he liked that. It was boring. It was safe. Until the day he fell below the clouds. He found the world below strange beyond anything he would ever have wanted to imagine, so strange the whole world refused to believe him when he returned home. With half of humankind set to take to the stars, and the other half set to die unknown beneath the ice, two stories from different sides of the clouds twist together, a brief encounter throwing a monkeywrench into a turning point in history. The worlds above and below...