Bori, an 11-year-old girl in a seaside village, is the only family member who can hear. As an elementary school student, Bori becomes more and more accustomed to talking with her friends while finding it hard to communicate with her family in sign language.
Kim Ah-song
as Bo-ri
Lee Rin-ha
as Jung-woo
Kwak Jin-seok
as Hae-jin
Heo Ji-na
as Mother
Hwang Yoo-rim
as Eun-jeong
Kim Jong-goo
as Grandfather
Kim Ja-young
as Auntie
Choi Dae-sung
as Eun-jeong's Father
Kim Jong-Moon
as Young Teacher
Kim Tae-hyun
as Homeroom Teacher