As cluttered as her apartment, Chiaki Suzuki, a 29-year-old career woman, had much to fix in her messy life. A chance encounter with her attractive neighbor pointing out the mess on her balcony compelled Chiaki to take lessons from a "KonMari" expert on tidying up. However, her expectations of finding a macho man mentor were thwarted by the arrival of a small-statured woman introducing herself as organizing consultant, Marie Kondou.
Marie pledges to teach Chiaki the secrets to an organized life and living space. With proven methods for tidying up and maintaining consistency, Marie shares her pearls of wisdom with Chiaki. As a result, Chiaki begins to witness positive changes not only in her cluttered apartment, but also in her professional and dating life.