nobody knows-1 is a South Korea drama released in 2020 rated 8.5/10 with 16 episodes. This thriller series has been watched by 17,186 viewers.
Key Details
| Country |  South Korea |
| Genre | ThrillerMysteryDramaMelodrama |
| Year | 2020 |
| Episodes | 16 |
| Duration | 01:10:00 |
| Rating | 8.5/10 |
| Director | Lee Jung Heum |
| Main Cast | Kim Seo Hyung, Ryu Deok Hwan, Park Hoon, Ahn Ji Ho |
| Type | Drama |
| Content Rating | 15+ – Teens 15 or older |
Plot & Analysis
Story Overview
Detective Young Jin, from the regional investigation unit, has only one thing on her mind: to catch the 'Stigmata' serial killer that murdered her friend 19 years ago. She carries guilt and trauma over the event. She has no friends and lives alone. Her downstairs neighbor’s son, Eun Ho, has built a relationship with her ever since she moved above their apartment. He does menial house chores for her. One day, Eun Ho seems to have fallen off the roof of their apartment building and left in a coma. Young Jin senses foul play and decides to take it upon herself to get to the bottom of it. With the help of Eun Ho’s homeroom teacher, Sun Woo, the both begin to uncover that Eun Ho’s injuries were no accident.
Critical Reception
nobody knows-1 has received excellent reviews with a rating of 8.5/10 based on 4,284 ratings. It is ranked #393 in popularity.
Frequently Asked Questions
What is the rating of nobody knows-1?
nobody knows-1 has a rating of 8.5/10 based on 4,284 ratings.
How many episodes does nobody knows-1 have?
nobody knows-1 has 16 episodes, each approximately 01:10:00 long.
What genre is nobody knows-1?
nobody knows-1 is a Thriller, Mystery, Drama, Melodrama drama from South Korea.
Who are the main actors in nobody knows-1?
The main cast of nobody knows-1 includes Kim Seo Hyung, Ryu Deok Hwan, Park Hoon, Ahn Ji Ho.
When was nobody knows-1 released?
nobody knows-1 was released in 2020 in South Korea.
Data sourced from publicly available entertainment databases. Last updated: April 13, 2026.