Once In A Summer is a 2006 South Korean melodrama/romance film directed by Joh Keun-shik. The film stars Lee Byung-hun and Soo Ae. It won Best Film and Best Director (for Joh) at the 15th Chunsa Film Art Awards in 2007.
To make up for her poor performance as an assistant producer, a girl promises to have her reserved but very renowned professor appear on their television series. The show involves locating the long-lost loved ones of the participant's past. Although hesitant at first, the professor finally agrees. His story takes the assistant back 50 years 1969 when the world is in chaos.
President Park Chung-hee is a dictator and the students are furious. Suk-young and a group of his classmates travel to the country to escape the tense city and help a small village become up-to-date with newly invented technology. It is there he meets Jung-in, a very pretty girl who is the custodian of the only library. Cheerful and happy, they first run across each other when Suk-young hears Jung-in singing while hanging up laundry. Over the period of time that Suk-young is at the village, they get to know each other more. Although Jung-in is hesitant, she gradually opens up to Suk-young. However, their bumpy courtship is threatened by dark secrets that Jung-in hides about her family and their history in the village, secrets that will haunt the pair as the volatile political climate catches up with them.