Once in a Summer
그해 여름 (original)
An assistant to a TV producer, eager to stay off his bad side, promises to convince her former professor, a famous but reclusive academic, to appear on their show, which helps locate long-lost persons. Who does grey-haired Professor Yun Suk-Young want to see again more than anything? The answer to that question lies decades in the past.
Starring Lee Byung-hun, Soo Ae, Lee Se-eun, Lee Hae-eun, Choi Deok-moon, Jeong Seok-yong, Kim Joong-ki
It's a drama and romance movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.