Before serving in the Ministry of Emergency Situations, Igor Chistyakov, an excellent rock climber, worked as a rescuer in the mountains. Until now, he periodically takes groups of beginner climbers and leads them into the mountains along simple routes. But the next hike became truly extreme: Igor came across the corpse of a man who apparently fell into a crevice from a great height. An accident, in the mountains, alas, this happens... But doubts began to creep into Chistyakov’s soul. Climbers have never climbed this wall; Yes, even if they did go, they wouldn’t do it alone. Continuing to examine the body, Igor discovered that the safety rope had clearly been cut...