Hiroshi Nobue

Hitoe is 34 years old. Her husband is overseas on a business trip, and she wanders aimlessly around town every day, filling her idle time with alcohol. Masaru is 48 years old. A train conductor. He gave up on his dream of becoming a driver after failing the national exam three times. The two meet each other while they have families.

Two female lovers meet in a college class. After graduation, they run a temp company which is the front for a detective agency dealing in blackmail information.