He was mortally ill. And not only he—his entire planet was shaken by social and natural cataclysms. But now, swept away by the hurricane of time and finding himself in a stranger’s body, in a stranger’s world, Pavel realized with horror what the unknown descendants had been forced to give up in order to save humanity. The inhabitants of underground cities had neither memory of the past nor any purpose for the future, nor a blue sky above their heads. All of this remained on the mysterious Surface. But Pavel, a stranger from far-off 21st century, did not accept that fate and began his long journey upward…