Jae-hyun, a foley artist, is never satisfied until he finds the perfect sound. He is now faced with the task of making the sound of footsteps for the main character. However, when he finds out his favorite pair of worn-out shoes are gone, Jae-hyun stops working and goes outside. At that moment, he hears a family's footsteps. Bewitched, Jae-hyun starts to follow the sound.

Jae-hyun, 是個追求百分百精準的製音師。而這一天，他必須製作出腳步聲。但卻遺失了那原本熟悉的鞋子。趁工作歇息時間外出的這一段時間，他發現更聽見了那原本熟悉的腳步聲...