Acquaintance with another girl turned into major troubles for the unlucky fisherman Eremin. Firstly, instead of a flounder, there is some stranger dangling from the harpoon of his underwater gun, secondly, he urgently has to burn down his house and car, thirdly, he finds himself at the controls of an airplane, absolutely unable to control it. But these are just flowers and berries ahead... The book was also published under the titles “Flat Corkscrew” and “Fire, Water and Diamonds.”