Demobilized sailor Silaev marries his beloved girlfriend Natasha. Soon he learns that his wife's family lives on unearned income, and categorically refuses to participate in their speculative schemes. Silaev and Natasha leave for Siberia, to one of the timber industry enterprises. There, he begins to fight resolutely against the predatory destruction of the forest and the indifference and selfishness of the managers. Natasha, unable to endure the hardships of life, leaves her husband. Silaev remains alone and, continuing his struggle, finds new friends.