The Golden Rule of Ethics

The wife of a successful Moscow businessman Sergey Kontsevich disappeared under mysterious circumstances: she entered a beauty salon and literally vanished. Police officers have been running around looking for the missing woman, but have not achieved any noticeable results. The only thing that has been reliably established is that the businessman’s wife did not leave the beauty salon. Desperate, Sergey Kontsevich seeks help from the famous detective Drongo. He begins the investigation and soon concludes that the woman was abducted by one of Sergey’s business partners…