Once the fabulous city of Myshkin upset the news that the Cat-Scientist began selling ice cream at the cafe "Lukomorye". What had all kinds of ice-cream - with berries, and with melon, and with mint chewing gum, and even with the taste of pizza! The girls from the "Fairy Patrol" immediately guessed that the Cat has some kind of mystery, but none of them could even imagine how much trouble ordinary ice cream can bring!