A promising but hot-headed young. boxer studies with a kind, knowing manager, grooming him for the Olympics.

During the 1800s, Peru's government sends 2 envoys to negotiate peace with the rebellious Incas but a treasure-hunter bandit shoots the Inca ruler and his son, leaving the 2 envoys to take the blame for it.

1197. King Kaloyan ascends the throne in hard times for Bulgaria. The country is still recovering from a century of Byzantine subjugation. He is forced to carry out a very flexible foreign policy in order to strength his positions. Pope Innocent III recognizes him as Emperor (Tsar), but a little later the fourth Crusade crosses the country under Emperor Baldwin. A new conflict is coming. Tsar Kaloyan wages the decisive battle at Adrianople and wins.

Hitar Petar escapes every hard time the life gives him by using his quick mind.

Members of a partisan underground unit struggle during the anti-fascist Bulgarian Resistance of World War II.

The university student Bobchev joins a youth brigade. The commander's council entrust Bobchev with a literacy course for members of the brigade. Velizarov and Monkata arrive in the camp to carry out sabotage. They place explosives on the dam, and attempt to win Bobchev over by means of intrigue. There is a storm: the camp is put on the alert. Everyone joins the rescue work at the dam. After a long struggle with Velizarov, Bobchev cuts the burning fuse of the explosive. The dam does not yield to the pressure of the flood. Everymen sing in Jubilation.