The Smile(2000)

Hyeon-young is dating two men, but within a few days, she is dumped by both of them. One is a classmate she has been seeing for six months, and the other is a 33-year-old man who does art. Hyeon-young finds one thing in common between the two, and that is the ambiguous smile they showed when they parted ways. (2010 4th Great Short Film Festival)