26-year-old Yong-jun (Hong Kyung) is troubled by his lack of dreams when he falls for the same-age Yeo-reum (Roh Yoon-seo) at first sight. Yeo-reum takes care of her little sister Ga-eul (Kim Min-ju)\, a swimmer with hearing impairments\, regarding her sister’s Olympic aspirations as her own dream. While youthful feelings seem to blossom between Yong-jun and Yeo-reum\, she finds h...