Bulgarski orli (1941)

The pilots Boris and Stoyan are in love with Zora. She prefers Boris. They go to the nightclub. There Boris falls for the singer who is an agent of a foreign intelligence service. The two of them dance together. A general mobilization is announced on the radio. The singer is arrested. Boris and Stoyan go to a special mission. Their aircraft bomb enemy targets. Zora becomes a nurse. She worries about Boris's fate. The two pilots have been taken prisoners. Foreign general interrogates them. He cannot get any information out of them. A cunning trick of Stoyan gives Boris a chance to escape. Boris comes to Zora in the military hospital. Stoyan appears too. He also manages to escape from a prisoner-of-war camp. Stoyan receives an order to keep the spy's villa under surveillance. There he finds Rita, who is hiding her wounded brother in a secret room. Stoyan visits her; they stroll together, and fall in love. Colonel entrusts Boris with a dangerous mission. There is aerial combat. Two aircraft collide and a pilot bails out. Zora learns that Boris has been killed in action. She faints. Rita tells her that Boris is alive. Presently he arrives. Bulgaria has been victorious and now they can think of their own happiness. The two start a song