Since he lost his hearing, Cha Jin-woo has gotten used to his solitary life. One day, an aspiring actress Jung Mo-eun, enters his quiet daily routine.
Jinwoo and Moeun cross paths in Jeju. She gets upset because he keeps ignoring her.
Jinwoo and Moeun meet again in Seoul and try to get to know each other better, but it's not easy.
Jinwoo and Moeun get closer slowly. But he feels bad for her and tries to keep his distance.
Jinwoo returns after disappears for days. He feels bad that he hasn't stayed by her side.
Moeun's play ends well thanks to Jinwoo's support, and her feelings for him get bigger.
When Seokyung shows up, Jinwoo feels confused. Moeun just envies Seokyung her fluent sign language.
Jinwoo and Moeun start a happy relationship, and Seokyung makes him an offer.
Seokyung suggests Jinwoo should hold an exhibition. Johan realizes his feelings for Moeun.
Jinwoo meets Moeun's parents, and Moeun finds out Jinwoo and Seokyung used to be lovers.
Moeun roots for Jinwoo's exhibition, but it bothers her that Seokyung and he meet often.
Jinwoo gets arrested just before the exhibition. Moeun happens to see Jinwoo and Seokyung argue.
Because of Jinwoo and Seokyung, Moeun feels down. Meanwhile, Johan comes to hear her secrets.
Jinwoo and Moeun try to clear all the misunderstandings, but the conflicts between them deepen.
Moeun accidentally sees Seokyung's text messages to Jinwoo. She asks Seokyung to meet her.
Jinwoo and Moeun feel distant from each other. They try to get close again, but it is not easy.
Jinwoo and Moeun realize belatedly that they learned true love through their time together.
