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

• Chong Yun-suWriter
• Chong Yun-suDirector

• Kim Seung-wooSeok
• Yunjin KimHui-su
• Kim Seon-aMay
• Choi Min-sooGoliath
• Jung Eun-ChanJo
• Jeon Moo-songDr. No Hee-Ahn
• Lee Seung-chaePolice chief's secretary
• Lee Ho-jaeKim In-Soo
• Jung Ho-binSquad leader
• Kang Hyun-joongDet. Ko-Myoung