Based on a true story, the film tells about the famous Soviet rocket launcher nicknamed “Katyusha”, which was kept in great secrecy during World War 2. One of these unique killing machines has drowned during an unexpected retreat of the Russian troops. A special unit formed of ex-athletes is sent to rescue the secret weapon that the Germans can never find — no matter what it takes…

The childhood of the young Orthodox priest Dmitry passed back in Soviet times, which was reflected in his upbringing and development, because he had to grow up between two fires. The most dear and close people were divided into believers and atheists. Having reached the age of majority, he decides to become a priest. On the path of life, he encounters anger, pity, mistrust and pain, but firmly believes in his ideals. This helps him to bring goodness and peace in his ministry and in worldly life, to help and give hope to desperate people. But one day, evil from the past overtakes Dmitry himself. What will happen when the priest himself faces the main question in his life?