A young man named Yegor lives with his single mother. He wishes to become a musician, but the living conditions don’t allow for that. After a falling-out with his mother he runs away from home in search of at least a breath of fresh air. His neighbour, Katya, wants to be a teacher, but her husband is incapable of understanding her. After a quarrel she leaves the apartment. Katya and Yegor accidentally meet. Are these two able to help each other?
