About the book: 2018 / The final, third book of the trilogy about the Dark Room. The first book is “The Dark Room”. The second is “A Ray of Light in a Dark Room.” The third is “The Key to the Dark Room.” A love story between a genius financier and an ordinary student from Cherepovets. In this book we take off our masks. Sever's thoughts about Elena, as he saw it all from the very beginning. The denouement of the relationship between Sasha and Inessa. An introduction to Sever Guerra's past and Elena's entry into his present life. A modern-day duel and a fateful kidnapping. Who will Elena end up with? There is obscene language in the book.