1. In Korea, when they are released from prison, they give white tofu, meaning that they should not sin in the future. Even when Ae-soon and Gwan-sik went to the police station in Busan, a female inn customer gave tofu.
2. Interpretation of the letter left by Eunmyeong
머리 좀 식히러 갑니다.
- 호로자식 올림 -
P/S 현숙아. 미안하다.
제일이 부탁한다.
I'm going to cool one’s head
- A bad son -
P/S Hyunsuk, I'm sorry.
Please take care of Che-il.
3. Busun was the daughter of the boarding house owner when Geum-myeong lived in the boarding house. She was Choong-seop's ex-girlfriend. And she broke up with Choong-seop and said she was getting married to a son of a large noodle restaurant.
4. The book that Hyun-sook's mother (Young-ran) had in her bag when she was talking on the phone in the car is a workbook for the real estate agent exam.