A film dedicated to the memory of the late Tsend-Ayuushiin Jamyansen, a police colonel and state law enforcement advisor who worked in the Mongolian police force from the 1970s to the 1990s and was renowned for his ability to solve every serious crime. The film tells the story of police officers who, 25 years later, are using their extraordinary professional skills to solve the crimes of "Nudniy", "Ganbatyn" and "25 Thousand" in which the wages of workers at the Iron Works were stolen and two people were killed.