The best Lyubomir Dimitrov’s movies

A spring is hidden in the Iron Mountain but the people of Arzen cannot get to it and they are suffering from thirst.

Captain Lipovanski is badly wounded during World War II. The Germans take him prisoner. After the end of the war, he is set free in a foreign country. He has been deceived that he was sentenced to death as a deserter and that his pregnant wife had died in a Bulgarian concentration camp. He trains for subversive activities against his own country. He is given the codename 'Golden Tooth'. Eager for revenge, he arrives in Bulgaria. There he learns that an agent provocateur has killed his wife, that his child is safe and has been raised in a nursery, and that he himself is respected as a hero. Golden Tooth sets out to eliminate his accomplices. With a file containing valuable documents, the traitors prepare their escape abroad. The spies are caught at the border. Golden Tooth kills the last of the traitors and dies driving his lorry into a precipice.

A barrage balloon appears unexpectedly over a Bulgarian village. The startled villagers decide to knock it down with a fusillade. But the balloon flies off to the mountains. The villagers, armed to their teeth, set off after it. But they are not alone in this undertaking. There is another armed group that chases the 'wonder'. An argument whose property the balloon is breaks out between the two groups. It turns out that the balloon flew from Romania over the Danube River. In the turmoil following the argument, the balloon is destroyed. The police arrive and punish the villagers for meddling in other people's affairs.

This is a film about the moral and philosophical sides of the life and the art, about the complex relations between the artist and the rough rules of the time in which he lives.

Abundant supplies of imported vaccine prove ineffective against an outbreak of foot-and-mouth disease epidemic in several population centers. Warehouse manager Rashkov has been found dead. Major Zahov has to investigate the case.

A geologist engineer Yuliya disappears. Ablamov, an elderly engineer, organizes a rescue party to look after her in the mine galleries but they find nothing. Yuliya was last seen at a ceremony for award-wining miners. The newsreel crew was filming the event. Yuliya left in the middle of ceremony. Prodanov, a headstrong and quarrelsome engineer, had followed her. Suspicion falls on him. However, the film sequences shot at the ceremony reveal that Ablamov reacted suspiciously to Yuliya's exit. Detected as the murderer, Ablamov attempts to cross the border but is caught. Yuliya had discovered that the ore contained uranium. Ablamov had replaced the samples in order to prevent the development of the uranium ore deposit.

The fortunes of a group of partisans after the triumph of the socialist revolution.