Listen to your bubbles.
Dong-chun, an elementary school student overwhelmed with seven afterschool learning academies, stumbles upon a mysterious bottle of rice wine during a school retreat. As the rice wine ferments and emits strange sounds like Morse code, Dong-chun sets out to unravel its identity and discovers the secrets of the world and the reasons behind her current way of life.
Park Na-eunKim Dong-chun
Park Hyo-jooPark Hye-jin
Kim Hee-wonPark Young-jin
Kim Ji-hoonKim Goo-poJeon Young-sooSoong-yi (voice)Han OnewLee Na-young
Bae Yu-ramLecturer
Oh Tae-kyungMC
Lee Jae-inPassenger
Lee Yo-seobAfter-school Instructor
Jeong Jong-yeolLee Jun-goo
Yoo Jong-yeonMember
Lim Jae-minPersian Language Judge
Kim Bong-heeOld Woman
Lee Dong-chanDrunken
