Four people are suspected of murdering a young woman. All four have motives for such a deed, but detective Lev Gurov is no easier about it. There are no direct clues, no convincing evidence—the logical constructions collapse like a house of cards. But that’s what a famous sleuth is for: from a mosaic of scattered facts, he builds a picture of the crime so vivid and accurate that it feels as though he saw it with his own eyes.