The story takes place in the future, when the Earth has become uninhabitable due to climate change and other factors, and humanity had to flee to space to survive. The main characters are engineers and scientists who use their knowledge and skills to create floating castles that can sustain life in space. Long detailed description of the plot: The novel "Плавучие замки инженера Уэна" tells the story of how humanity was forced to leave Earth and move to space due to the devastating effects of climate change and other factors. The protagonist, Engineer Wen, is one of the last survivors of humanity, who managed to escape the dying planet on a spaceship called the "Osh Mars". This ship is equipped with cutting-edge technology and a team of talented engineers and scientists who are determined to find a new home for humanity.

''