After graduating from the institute, one of the two friends of different profiles, Levon, will go to work in the distant mines, and the incumbent Karlen takes the chair of the head, but this does not bring him happiness.
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.
