Stepan Martirosyan

After becoming a widow at a very young age, Mariam no longer gets married and devotes her whole life to her son, who grows into a spoiled and selfish boy.

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.