The world was suddenly flooded with torrential rain. The water is rising every hour, hiding even the tallest high-rise buildings. A boy on a boat made from a wardrobe and a bicycle, with two cats on board, barely manages to escape. Fighting the elements, he strives to reach the mountain peaks. Suddenly, right in the middle of the sea, the boy encounters a gloomy tower - the Stone and Velvet Hotel, with inhabitants who have been living according to special rules for many thousands of years. Becoming a hotel resident is as easy as shelling pears, but there are only two ways to leave it...