Almen, a descendant of a rich, but, alas, ruined family, was accustomed to luxury. Even when he had nothing to eat, he acted as if he had several million in his pocket. It would never have occurred to him to work, but once he tried himself in the field of a private detective, he could no longer stop. His brilliant mind and intuition allowed him to easily solve the most complex puzzles, and his natural charm and refined manners allowed him to open doors that were tightly closed to others. The case of a pink diamond stolen by a mysterious Russian named Sokolov promised to be the most profitable, but at the same time the most dangerous. Well, taking risks for the sake of money is quite in the spirit of our hero...