One morning the measured life of a quiet town is turned upside down. English teacher Mila finds a treasure of ancient coins while walking her dog. Before that, she was almost knocked down by a famous architect - it turns out that very close by he is building an unusual house for one of the city fathers. And soon there, in Kuznetskaya Sloboda, the body of a local businessman is found. His wife is suspected of murder. Since childhood, she has been friends with the former owner of the site where the treasure was hidden... Is this an accident or links in the same chain? Why do intruders break into Mila’s house, because everyone knows that the treasure was taken to the police? She will have to figure it out herself...