Professor Sretenski is a scientist and director of a research center in Russia. He is separated from his wife and lives alone. His daughter, who lives with the mother, comes to his home and stays with him for a period, leaving her daughter with him. He raises his granddaughter, feeling a great affection for her.

• Lenfilm
• Mikhail Gluzskiy
• Margarita Terekhova
• Marina Neyolova
• Stanislav Lyubshin
• Yevgeniya Khanayeva
• Leonid Nevedomsky
• Ernst Romanov
• Valeriy Matveev