Yamada was laid off from his company and is now working part-time. He always takes the 8:15am express train, but there is a woman he sees every morning on the way to the station. He and the beautiful woman have the same time to go home, and Yamada has always admired her. Then one day, he picks up a handkerchief that the woman dropped, and they suddenly become close! Her name is Aoi, and she seems to be a married woman. The two began to exchange greetings, but when Yamada helps Aoi out of a purse snatching incident, he ends up receiving some obscene favors from Aoi...