After an accident at a compressor station in Kazakhstan kills her husband, Ainur, a young Kazakh woman, travels to Russia to find Andrei Artamonov, her husband's former university classmate and best friend. Together with Ainur and the head of the station Lykov, Andrei has to find a solution to a problem that failed his university project many years ago and make what might be the hardest choice of his life.

One Monday morning Katya, Vika and Zhanna learn that there will be a school disco, their first disco, on the coming Saturday night. The girls feverishly start preparing for the event, which rapidly becomes the most important moment ever in their universe, and looks like the ideal way to escape their daily lives...