Unknown Woman (2018)
Original title: 모르는 여자
Unknown Woman is a 2018 Korean-language drama movie directed by Kim Jong-kwan, with a running time of 11m. It stars Jung Jun-won, Jin Ki-joo and Kim Jin-hee.
A woman talks to Hyun-o with pleasure, but he has no recollection of meeting her. Leaving her embarrassed, he finds a pebble in the pocket of his old coat, which makes him remember her appearance from behind.