The movie follows the life of an unpopular comedy duo. The duo, called "Boso Swimmers", have been working together for 12 years, but the duo sees little future in their comedy careers. They then begin to write their thoughts in a diary
Feudal lord Takuminokami Asano has been led to kill himself due to a scheme by Kozukenosuke Kira. Having no time to mourn his death, samurai Kuranosuke Oishi decides to take revenge on Kira, planning an attack with the help of accountant Chosuke Yato… but they don't have enough in their budget.
Shiori, Yukiko, Kyoko and Sachiko continue to live each day with untold feelings inside. Unable to forget a colleague on a trip, a father who is ill, a friend who works at a store that is about to close, and a long-lost husband, each woman takes a step forward. There is a light that sometimes embraces them, calmly and gently.
