Nadezhda Lebedeva considered her friend Alka a sensible woman, but still such events in the life of anyone can bring down anyone. First, you find a note at home that Petyunchik’s husband has left for someone else, then they report the murdered dog Gavrika, then it turns out that the husband changed jobs six months ago and is now working in an unknown place. But Nadezhda could not believe that Petyunchik, who madly loved his wife, abandoned her. After conducting a little investigation, Nadezhda realized that Alka’s husband was kidnapped and taken to Estonia, and the reason was an old family legend about the Gutenberg Bible that had been kept since time immemorial in the family of his Estonian grandmother! And the friends go to Tallinn. From now on, the life of thieves and rarity hunters has turned into a nightmare!..