In a white ward in a clinic, a lifetime balance on the verge of death. Memories are herding together in the mind of seriously ill Aleksandrov, a scientist, who evaluates and reevaluates his own life: friendships, loves, career. Images of his youth are crowding in: of his beloved, of his children, of evenings spent with his friends, ups and downs. And no one is able to say if all this made any difference.

A diver gets trapped at sea and needs to be rescued by the man whose love and life he has ruined.

The film is dedicated to the uprising, which broke out in Bulgaria in September 1923. All characters, with the exception of the leaders of the uprising Georgi Dimitrov and Vasil Kolarov, are symbolic characters. The central figures, Stefan and Peter, impersonate the motive forces behind the uprising - the workers and the peasants. They are involved in worker's strikes, in the stormy events of the First World War and the Soldier's uprising in 1918. They also participate in the bloody clashes of the September uprising and suffer its defeat after they have seen too late the need for concerted action by communists and agrarians.

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.

The construction of the first socialist town in Bulgaria - Dimitrovgrad.