Uncle Zvane is assigned by the underground People's Committee of a village to deliver a number of oxes to the Partisans in the Gorski Kotar Mountains. The story tells how the old man overcomes the difficulties, and succeeds.

Instead of going to Belgrade, a boy called Mita joins illegal movement. Germans, who occupied Belgrade in the meantime, start to hunt down communists. Many of them are killed, but Mita succeeds to get to the freed land together with a girl who was going to Belgrade with him.