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 … Lee Byung-hun, Soo Ae, Lee Se-eun, Lee Hae-eun, Choi Deok-moon, Jeong Seok-yong, Na Ki-soo Added on Netflix 2020-09-05. Youtube Trailer