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

Cast

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

Kang Hyun-joong

Det. Ko-Myoung