In 1976 on a remote island, schoolteacher Eun-young wants to take her students on a field trip to a cookie factory in Seoul. Even though the parents don't like the idea, Eun-young succeeds in taking them. But once they arrive in the complicated city, students become fascinated with high-tech bicycles and get lost.
| Directing | Song Dong-yoon | Director |
| Writing | Song Dong-yoon | Writer |
| Production | Kim Yong | Line Producer |
| Production | Lee Sang-hyun | Producer |
