Yesterday
In 1990, number of children suddenly disappear. Meanwhile, the Ministry of Defense selects an elite group of scientists for a top-secret mission. Then, 30 years later ... The year is 2020 on a reunified Korean Peninsula. A string of murders is committed against retired scientists. The Special Investigations (SI) unit staffed by a crack team from the former North and South Koreas and outfitted with the latest technology is brought in to investigate. The killer, however, far from being deterred, taunts them with a signature pendant at every murder scene. In an act of devilish boldness he even kidnaps the son of the investigation team's leader, Seok
- Genre: Action, Crime, Science Fiction, Thriller
- Studio: Miracin Korea
- Keyword: serial killer, korean reunification, 2020s
- Cast: Kim Seung-woo, Yunjin Kim, Kim Seon-a, Choi Min-soo, Jung Eun-Chan, Jeon Moo-song