Tolik, a bread delivery man, lives with his pregnant wife Altynai, his two daughters– Saule who is about to enter college and her younger sister— and a somewhat selfish father. The family is already drowning in debt. Meanwhile, Saule becomes pregnant, and Tolik and Altynai are insulted by her boyfriend′s parents. Tolik goes to complain to his only friend, Baur, but Baur collapses from a heart attack while dancing.
The old man lives alone only with his work, he is a switchman in a remote Kazakh steppe. The only time when he feels happy is the night when he sleeps and he dreams of a beautiful girl. One day, not far from the railway, an old man sees a car, inside which a girl from his dreams finds himself.
The past must remain in the past. However, old Kasymych returns to the places of his childhood in order to relive again and again the best moments of a bygone life. But what is left of his childhood today? Is anyone waiting for him in the past?
Against the backdrop of a conflict between former friends, and now a soldier and a prisoner, events break out that will make them make a difficult choice. This choice changed the history and attitude to true heroism.
Sunny Days is an account of five days in the life of its protagonist, who, during this brief period of time, is trying to find money to pay off his debts.