Bolshevik Tsolak Darbinyan is infiltrated into Dashnak Army as a musician of Army music band. Despite the initial personal conflict with band leader Arsen, he is able to win the friendship of young band musicians including Arsen and to persuade them to back him on the eve of the Bolshevik invasion to Armenia.
The Armenian national hero, David Bek, leads a major Armenian uprising against Safavid Persia in the Syunik region in the 18th century.