The 52-year-old husband, who works as a vice principal at a prefectural school, has been a teacher for 30 years. Now that their daughter has grown up and left home, he and his wife Reiko live quietly in public housing in the city. One day, while on his way home, the husband suddenly runs into a former student from his class 10 years ago. Concerned about his former student's current financial situation, the husband decides to take the embarrassed young man to his house for a meal, but... "Hey... you filthy bean ahhhh!!!"