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

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  Kim Seung-woo

  Seok
• 
  Yunjin Kim

  Hui-su
• 
  Kim Seon-a

  May
• 
  Choi Min-soo

  Goliath
• 
  Jung Eun-Chan

  Jo
• 
  Jeon Moo-song

  Dr. No Hee-Ahn
• 
  Lee Seung-chae

  Police chief's secretary
• 
  Lee Ho-jae

  Kim In-Soo
• 
  Jung Ho-bin

  Squad leader
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  Kang Hyun-joong

  Det. Ko-Myoung