Three retired K-pop idols take a trip to Jeju Island. After failed careers and missed school trips, they finally have the time to go on a trip on their own. On their first day on the island, things start to go awry.
| Actor | Role |
|---|---|
 Choi Sung-eunSu-min | Su-min |
 Hyun Woo-seokTae-hee | Tae-hee |
 Ha Seo-yoonSa-rang | Sa-rang |
 Kang Chae-yunSo-yoon | So-yoon |
 Hong Sang-pyoSang-pyo | Sang-pyo |