Katya and Sergey have been married for many years. They spend time together, take care of the household, but are afraid to admit that routine has suffocated them. Katya found solace in her work. She is a music teacher at a children's school. She wants to bring variety into her relationship with Sergey, but it only leads to absurd situations. Sergey doesn't understand what bothers his wife and doesn't see how difficult her life is. One day, she has a nervous breakdown. Worried, her husband suggests going on vacation together...