There is a definition of the concept of fate - the totality of all events and circumstances that are predetermined and primarily influence a person’s existence. But there is still the possibility of choice, which we make constantly, from the very moment of our birth. It is this gift from above that can change and determine the life of each of us. When a series of murders occurs in a big city, which amaze with their unjustified cruelty and go beyond all moral standards, who can stop this madness? Perhaps this will be an ordinary person who found himself in the thick of things completely by accident, but at the same time is able to stop the chain of bloody crimes, or is this person not so ordinary? Editor's comment: The multifaceted figures of crimes, skillfully drawn by the mysterious Sine, will in fact turn out to be a cage, in which the investigators will come across. Will they be able to calculate the trajectory of its movement and enclose it in the coordinate lines of law and order?