Because of grandfather's will, Ju Won somehow feel uncomfortable about this flight. He accidentally reunite with a manager of J- one, Gu Reum. After they finished their flight, something shocking happens to Ju Won and Gu Reum.
| Actor | Role |
|---|---|
 Hong Eun-kiYoo Joo-won | Yoo Joo-won |
 Choe Hye-jinHan Goo-reum | Han Goo-reum |
 Lee Seo-youngYoo Shi-won | Yoo Shi-won |
| PPark Yong-jeJayone | Jayone |
| LLee Gyu-hyungLee Kyu-hyung | Lee Kyu-hyung |
 Jang Hye-jiJang Hye-ji | Jang Hye-ji |