Feathers in the Wind(2005)

Original title: 깃

Hyeon-seong, a film director struggling with writing a new screenplay, visits a remote southern island he stayed 10 years ago to fulfill a promise he made with his girlfriend at the time. As he waits on the secluded island to see if the promise will also be kept by now his ex-girlfriend, he gets to know an oddly charming young motel operator So-yeon.