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.

17-year-old Yu Gwan-Sun participates in the Korean independence movement. The country is under the rule of Japan, which annexed the country in 1910.