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...

影片翻拍自由彭于晏、陈意涵、陈妍希主演的华语电影《听说》，讲述一个摩托外送骑手爱上了一个有听力障碍的年轻女孩，他们将自己比作水鸟和树木，试图冲破感情中的障碍，追逐自己的梦想并让感情进一步发展的故事。

因事故而痛失女儿的父亲将这“一天”不断重复，只为能挽救女儿。一天之中有哪些秘密尚待揭开，寻踪觅迹的故事尽在影片《一天》。