"Afterword to the Kreutzer Sonata" is a famous novel by Leo Tolstoy, which tells about a heavy sense of guilt, intertwined with the search for the meaning of life and reconciliation with oneself. This book deeply analyzes the moral aspects of human relationships, loyalty and devotion, the problems of art and true love. The plot of the novel unfolds around the constant confrontation between the protagonist's emotional feelings and his inner world. The love triangle between the main characters, as well as the conflict between debunked "beautiful" love and simple, but true attachment, causes readers many questions and reflections. "Afterword to the Kreutzer Sonata" is a work that leaves a lot of room for interpretation and self-improvement, turning it into an eternal symbol of the struggle between the forces of good and evil in man.