This Movie based on 10 Sort Series Drama with same title. That tell of Beautiful things happen in beautiful places. Ji Ho (So Ji Sub) is sent to Jeju Island for work. He works for an events company that is organizing a festival on the scenic Jeju Island. There, he keeps running into a beautiful woman (Kim Ji Won) who also goes there for her work for a publishing company. Intrigued by the confident and vivacious woman, Ji Ho is drawn to her and wants to spend time with her. Could it be love? "One Sunny Day� is a 2014 Korean web drama directed by Kwon Hyuk Chan. It is the first drama produced by LINE exclusively for Thai audiences and made available to viewers on the messaging app.