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.
유승호
as Kil-Su
Choi Bum-ho
as Adult Yoon-bok
Yoon-jeong Choi
as Bus Driver
조영진
as Mr. Jang
Kyeong-ran Kim
as Grandmother
김유정
as Yeong-mi
문가영
as Bun-rye
