Parents of the 19-year-old Nina and 9-year-old Baśka go abroad. The older girl has to take care of her younger sister which leads to both comic and dramatic situations. The situation begins to overwhelm the main protagonist who loses control over her world: school, trainings and friends. The story of the sisters is a story of responsibility, everyday challenge, dreams and sisterhood relations, sometimes hard. The film is a debut of the director.