A young guy dies in a geological village, whose shortcomings include only an excessive passion for girls. Taking into account this hobby, the police are working out versions of the crime, but there is no result. One of the geologists begins his investigation, and knowing perfectly well everyone from the murdered man’s circle, he finds among them a man capable of many mean things, and then indirect evidence that he did not personally commit the murder, but participated in its organization as a member of a criminal group. And who this criminal group consisted of, what they did, why they decided to kill, what evidence of the crime they left behind, and how they ended up behind bars - you will learn from the book.