A 30-year veteran nagging expert vs. a 30-year pro thinker A busy farewell preparation depicted by a special hat Ae-sun, who, in the process of providing 24-hour special care to her son In-kyu, seems more like a seven-year-old than a thirty-year-old, suddenly realizes that she won't have much time left to spend with her son. Filled with worries again when thinking about her son left behind after her departure, Ae-sun creates her own special checklist for In-kyu, who will have to live in the world on his own. With the help of her first daughter, Moon-kyung, and the people in the neighborhood, she starts filling in the blanks of her list, one by one...
