Sawako Honna is 42 years old and single, and she works hard at a film promotion company. One night, all of a sudden, her heart palpitates and her body goes cold... is she going through menopause?! Navigating your forties is hard, but when an old friend from her hometown reaches out to meet up, Sawako realizes that maybe having someone to talk to about aging could be a really good thing. After all, you never know what might happen tomorrow...