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Hello Monster

  • Genre : Drama Series
  • Premiere on KBSWorld :
  • Number of Episodes : 16
  • Runtime : 70'
  • Showtime :


"I find my true self through you." A dangerous man and a woman, who used to stalk him, reunite when they grow up at the crime scene! They get to work together to solve the crime concealing their true intentions. Then, they fall in love with each other and starts to find their identities.


Lee Hyeon (Cast Seo Inguk)

American name: David Lee.
Associate professor at John Jay College of Criminal Justice in New York.

Giving a lecture in criminal justice, Lee Hyeon has consulted to New York City Police. After returning to Seoul, he gets to consult to special crime investigation team.

The way he profiles people at a glance, analyzes crime scenes, and his spiteful tongue remind of Sherlock Holmes.

He doesn't bother what others think of him. Friends, girlfriend, relationship.. Those words don't seem to right to him. An attractive man, but solitary and snobbish. Also, he is a dangerous man.

When he was a child, his father, a criminal psychology professor, diagnosed him as a potential murderer. He got to know murderer Lee Junyeong and he lost his father and younger brother because of him. Then, his memory gets blurry after the accident.

Cha Jian (cast Jang Nara)

Graduated from Korean National Police University. Works at special crime investigation team.

Unlike other ordinary investigators, she looks sophisticate and cute.
She doesn’t bother using her good looks to solve the case and this tough investigator is willing to use her strength, if necessary.

For a long time, she has been stalking Lee Hyeon.
At first, she sympathized with him, but later she regarded him as a usual suspect, an accomplice, or a major testifier.

When she was a little girl, she got to know him coincidentally and realized he was similar to herself, but also somewhat strange.

She graduated from the university with honors to get to the headquarter and to look for a classified document, Lee Junyoung’s case. She thinks she might arrest Junyoung if she works with Hyeon. Then, she needs to get close to him first..

Behind the Scenes

Jian finds out there are more kids related to Junho [Hello Monster]
Hyeon tells Lee Junho that he knows who Lee Junho really is and asks Junho why he killed Hyeon’s father, took Min, and raised Min just like him. Jian finds out that there are more kids who a...
Hyeon finds out Seonho fell into a danger [Hello Monster]
When Hyeon finds out Seonho fell into a danger, he rushes to his brother to save him, but he tells the culprit to kill Seonho in the end. Jian gets a map delivered to her anonymously and goes t...
Jian asks Junho about her father [Hello Monster]
The reason for the murders without bodies tears Hyeon's heart apart. Min nears another murder. Jian asks Junho about her father. Meanwhile, after an anonymous threat approaches Hyeon, Jian ...



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