hello monster is a South Korea drama released in 2015 rated 8.4/10 with 16 episodes. This thriller series has been watched by 56,411 viewers.
Key Details
| Country |  South Korea |
| Genre | ThrillerMysteryPsychologicalDrama |
| Year | 2015 |
| Episodes | 16 |
| Duration | 01:10:00 |
| Rating | 8.4/10 |
| Director | Kim Jin Won, No Sang Hoon |
| Main Cast | Seo In Guk, Jang Na Ra, Park Bo Gum, Choi Won Young |
| Type | Drama |
| Content Rating | 15+ – Teens 15 or older |
Plot & Analysis
Story Overview
Genius profiler Lee Hyun, returns home to Korea after something from a case he’s been sent triggers a memory he thought he’d lost forever. Unbeknownst to him, one of his team members, Detective Cha Ji An, has been investigating him for some time. She is aware that his father was murdered and his brother disappeared under mysterious circumstances involving a criminal named Lee Joon Young — whom they both want found and incarcerated. Each seeks to unravel the other, unaware that they’ve been drawn into a dangerous game of cat and mouse by a master player and that both truth and evil are closer and far more twisted than they think. (Source: Wikipedia)
Critical Reception
hello monster has received excellent reviews with a rating of 8.4/10 based on 24,442 ratings. It is ranked #672 in popularity.
Frequently Asked Questions
What is the rating of hello monster?
hello monster has a rating of 8.4/10 based on 24,442 ratings.
How many episodes does hello monster have?
hello monster has 16 episodes, each approximately 01:10:00 long.
What genre is hello monster?
hello monster is a Thriller, Mystery, Psychological, Drama drama from South Korea.
Who are the main actors in hello monster?
The main cast of hello monster includes Seo In Guk, Jang Na Ra, Park Bo Gum, Choi Won Young.
When was hello monster released?
hello monster was released in 2015 in South Korea.
Data sourced from publicly available entertainment databases. Last updated: April 13, 2026.