Aidar and Galiya have long been in love with each other. Aidar works as a horse breeder, and Galiya is a senior herdswoman at a collective farm stud farm. One day, due to an accidental misunderstanding, the young people quarrel. Angarbay, the store manager, who is also in love with Galiya, is trying to take advantage of this.

The builders of the hydroelectric power station face a difficult task: it is necessary to speed up the work in order to provide electricity to a number of other industrial facilities in the region. Construction managers are taking different paths to solving this problem.