A stylish new outfit is the best gift for a modern, ambitious girl. That’s what Dasha Lavretskaya thought—until one day she found… a combat pistol in the box with her new boots. What should she do with it? Return it! But to whom? Boys usually understand guns well—and Dasha, wasting no time, brings her friend and longtime admirer, Petya, into it. Trying to find the owner of this “toy,” the young detectives and their friends prevent an attempt on the life of the owner of the “Cat in Boots” chain of shoe stores. But who and why wants him out of the way?