A literature teacher, graduate of the Pedagogical Institute, becomes the class teacher and best friend of the children in the tenth, graduating class...

Due to bad weather, gymnast Katya Prokhorova, going to international competitions, ends up in her hometown of Razlelsk and, arriving at the school where she once studied, meets a young singing teacher and falls in love with him. A few days later she leaves, and upon returning from the competition, she confesses to him that she has fallen in love with someone else. Time passes. The singing teacher becomes a famous composer, but does not stop loving and waiting for Katya...

On the surface, everything appears respectable in the Vanyushin family; life flows as it does in any merchant household. But a deep, insurmountable chasm separates the parents from their children—and just as wide a gulf lies between the children themselves. A candid conversation with the youngest son, Alyosha, forces Vanyushin to face the truth…

A former aristocrat Ippolit Vorobyaninov leads a miserable life in Soviet Russia. His mother-in-law reveals a secret to him - she hid family diamonds in one of the twelve chairs they once had. Vorobyaninov in cooperation with a young con artist Ostap Bender start a long search for the diamonds.