One Sunday, a penniless unmarried young South Korean couple meet, as they do every Sunday; while the pregnant young woman believes they are not ready to bring a child into the world, the young man decides to go visit his friends to borrow money for delivery.
| Actor | Role |
|---|---|
 Shin Seong-ilHeo-wook | Heo-wook |
 Ji Yun-seongJi-yeon | Ji-yeon |
| KKim Sun-cheolHan Gyu-je | Han Gyu-je |
| KKim Seong-okJo Eok-man | Jo Eok-man |
| AAn Eun-sukWoman | Woman |
 Kim Kyeong-ranHo-won | Ho-won |
 Kim Ki-beomDeputy Head of Department | Deputy Head of Department |
| KKim Kwang-ilPark Gwang-il | Park Gwang-il |
 Son JunDoctor | Doctor |
| JJang In-hanJi-yeon's Father | Ji-yeon's Father |
| KKim So-jeFortune Teller | Fortune Teller |
| JJo Hyang-minNot listed | Not listed |