A beautifully dressed girl snatched shopping bags with groceries from the hands of an elderly woman and immediately threw them into the trash can. Is this girl crazy? This is the first thought of Andrian, a longtime acquaintance of Nadezhda Lebedeva, an involuntary witness to what happened. However, very soon Andrian becomes completely in no mood for jokes - after all, he is accused of murdering this mysterious “thief”. Who is she? Why does all the evidence point to an innocent young man? And most importantly, who is the real killer? Amateur detective Nadezhda Lebedeva, confident of Andrian’s innocence, begins her own investigation...