The legendary Leonov — Makeev detective tandem.As a result of an accident, a young man named Semyon dies. The guy fell asleep at the wheel and crashed into a truck. The examination revealed traces of sleeping pills in the blood of the deceased. The incident interested Colonel Gurov of the Ministry of Internal Affairs. It became known that shortly before that, a close friend of Semyon's died of a drug overdose. Maybe these deaths are staged and somehow connected? Gurov decides to study the guys' past. He does not yet know that the threads of this complicated story will lead the investigation into the deep forest, to the gloomy shore of the swamp…Nikolai Leonov, a former MOORE investigator, knew firsthand how the most complicated criminal cases are solved. Therefore, each of his books is a true, exciting story with unpredictable intrigue and an unexpected ending. The main character of these books, Colonel Lev Gurov, is a high—class detective, moreover, with a lot of positive human qualities. He is respected by friends, feared by enemies, and loved by women. He is a real Russian superman. Novels about Lev Gurov have been consistently attracting fans of the domestic detective for forty years. The Black Cat series, which has become a classic, has more than 200 books published in tens of millions of copies.