First teaser trailer added for JTBC drama series “Monster” (literal title) starring Shin Ha-Kyun & Yeo Jin-Goo. The first teaser trailer has captions at the 33 second mark that asks “Who is the monster among us? Dialogue in the teaser goes (0:01) Shin Ha-Kyun “I killed a man,” (0:04) Yeo Jin-Goo “How?,” (0:11) Yeo Jin-Goo “How did you kill?,” (0:21) Shin Ha-Kyun “There is no secret here,” (0:26) Shin Ha-Kyun “Someone is watching everything from somewhere,” (0:37) Yeo Jin-Goo “Who killed?”
The teaser trailer also reveals that “Monster” will first air February, 2021 in South Korea.
Plot Synopsis by AsianWiki: Lee Dong-Sik (Shin Ha-Kyun) was once a capable detective. He now works at the Manyang Police Substation in a small city and does all the tedious chores at the station. His life is quiet there. One day, Detective Han Joo-Won (Yeo Jin-Goo) is transferred to the same police substation. He is assigned to work as Lee Dong-Sik’s boss and also his partner. Han Joo-Won is an elite detective and comes from a distinguished background. His father has a good chance of becoming the next chief at the National Police Agency. Han Joo-Won also has a secret.
A serial murder case takes place in the small, peaceful city. The case is the same serial murder case that took place 20 years ago and changed Lee Dong-Sik’s life. The two detectives work to catch the killer.