Once a film director, Seok-woo comes to his hometown, working as a bus driver. One day, he picks up someone's MP3 player at the bus terminal and faces his past through the process of finding the owner of the MP3.
| Actor | Role |
|---|---|
 Kwak Min-kyuSeok-woo | Seok-woo |
 Han Seon-hwaYoung-aeh | Young-aeh |
 An Min-youngSeok-woo's mother | Seok-woo's mother |
 Mok Gyu-riSu-yeon | Su-yeon |
 Cheon Sin-namDriver Cheon | Driver Cheon |
 Son Seong-chanSeok-woo's father | Seok-woo's father |
| LLee Jung-biFemale staff | Female staff |
 Choi Hee-jinRepairwoman | Repairwoman |