Cardiologist Natalya works at a private clinic, while her husband Vyacheslav owns a not very successful travel agency and dreams of opening a hotel. Secretly, he is having an affair with a coworker from the city hall. Vyacheslav organizes a countryside tour for a potential sponsor, who suffers a heart attack during the trip. Natalya saves his life. Dmitry, an employee of the Emergency Situations Ministry, helps her get to the scene of the incident and continues to assist Natalya in solving problems at the clinic and in her personal life, becoming a loyal friend.
After a series of unpleasant situations in Natalya's life, Dmitry confesses his feelings to her and suggests they leave together to start a new life. Natalya firmly rejects Dmitry's advances, as she is married and cannot compromise her principles. Gradually, Natalya realizes that she is developing mutual feelings for Dmitry...