Daughter Ji-suk is now already a mother herself, but she'll always be a child in the eyes of her proud mom. The two decide to go on their first ever trip together. Over three days and two nights, their journey reveals the love and regrets, emotions and conflicts, that form a mother-daughter relationship.
| Actor | Role |
|---|---|
 Kim Hae-sookMother | Mother |
 Park Jin-heeJi-suk | Ji-suk |
 Jo Young-jinJi-suk's Husband | Ji-suk's Husband |
 Lee Mu-saengJun-soo | Jun-soo |
 Jung Young-kiJin-ho | Jin-ho |
 Yeo Hee-gooHye-young | Hye-young |
 Baek Jae-jinMi-jung's Husband | Mi-jung's Husband |
 Kim Min-haYoung Ji-suk | Young Ji-suk |
| CChoi Sun-youngLittle Ji-suk | Little Ji-suk |
| BBaek Jin-kiYoung Jin-ho | Young Jin-ho |
 Kim Ja-youngBean Sprouts Shop Owner | Bean Sprouts Shop Owner |
 Lee Bit-naYoung Mi-jung | Young Mi-jung |
 Lee Sun-juWriter Kim | Writer Kim |
 Oh Chang-kyungPD Yoon | PD Yoon |
 Shin Yoo-ramCar Driver | Car Driver |