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.
Lubomir Kabakchiyev
Apostol Karamitev
Ivan Stefanov
Zheni Bozhinova
Petar Dimitrov
Georgi Georgiev-Getz
Ivan Tonev
Dimitar Bochev
Yordan Matev
Boyan Petrov
Ivanka Sladkarova
Tinka Angelova
Svetoslav Stanilov
Vladislav Molerov
Rangel Vulchanov
Georgi Kaloyanchev
Neycho Popov
Zhana Stoyanovich
Mariya Rusalieva
Zvezda Tzoneva
Katya Dineva
Ani Damyanova