The village schoolmaster Dragan and Rada are in love. The well-to-do father of Valcho suggests to the girl's parents a marriage between their daughter and his son. Rada refuses to marry him. War is declared and the two rivals go to the front. Dragan and Valcho go to the mission. Valcho is wounded and Dragan saves him risking his own life. Dragan is badly wounded too...Dragan comes back from the front. Rada rushes into his arms. Valcho reconciles with Dragan. The teacher tells to his pupils about the war, about courage and patriotism.