Petar Chernev

The Bulgarian intelligence officer Emil Boev is residing in Bern, close to Bulgarian political emigrant Goranov. The Swiss and German women Rosemary and Flora are interested in him. Goranov is killed. Boev searches his apartment and finds few fake diamonds and the list of the spies in Bulgaria. Boev and the boss of a foreign intelligence service Benton are stuck in a bunker together. At the decisive moment, Flora appears and Boev manages to get away with the list of the spies. Boev is on the way to Bulgaria.

In the trial against Boris, Lazar is the main witness for the prosecution. The two are the comrades-in-arms. Now they are opponents, because of a conflict concerning a coal conveyor where they work. Lazar is afraid of taking risks. Boris, however, is not afraid of taking responsibility where innovation is at stake. The conflict ceases to be confined to production problems and grows into dispute over commitment to principle and ethics. After harrowing hesitations the main witness Lazar gives evidence in Boris's defense.

World War II. Vasil is in serious conflict with the police officer Simeonov and at the same time with his childhood friend and brother by faith - the partisan Kalin. Yana comes between Vasil and Kalin. She has grown up with them and they are both in love with her. She loves Vasil more but she cannot accept his individualism. The tragic struggle in Vasil determines his doom. After the coup on September 9, 1944, he arrests Simeonov, but when he takes him to the military tribune, he dies unexpectedly.

In September 1923, during the so-called 'anti-fascist' uprising, police chief's daughter Kita falls for a student with communist beliefs. Although loyal to the monarch, her father's paternal instinct force him to compromise but his retaliation against the rebels takes a devastating turn.