The fourth installment in the 'Sex Life of Middle-Aged Couples' series, depicting episodes related to the surnames of middle-aged couples. A couple with a 40-year age difference, a Chinese restaurant owner couple who must have sex in the morning and evening, a husband whose wife is sexually frustrated due to hospitalization, and more. This work features a variety of rich situations. The message from director Henry Honda is that better sex is the secret to a harmonious marriage.
