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The Devil You Know (2025) – Official Trailer, Cast & Details
The Devil You Know at a Glance
The Devil You Know is a 2025 thriller and crime film helmed by Hyun Woo-sung, starring Han Chae-young, Hyun Woo-sung and Jang Eui-soo. It runs 1 hour 44 minutes and came out on June 20, 2025. The Devil You Know is rated 5.5/10 by TMDB users across 2 votes.
Official Trailer Coming Soon
An official trailer for “The Devil You Know” has not been indexed yet from verified studio channels.
Search Clips on YouTubeStoryline & Synopsis
Yu-jeong is a star English tutor, popular nationwide for her lessons and beauty. She has the perfect life going on- her education business is blooming, she has a successful doctor husband and a loving daughter. One day, she meets Sun-hee from a volunteer group. He seems like a friendly guy with charms. Gang-su, Yu-Jeong's childhood friend who is like a little brother to her, however warns her about Sun-hee that he has a bad reputation even among gangsters. But what Yu-jeong doesn't realize is that Sun-hee is a narcissistic sociopath- until it's too late. Meanwhile, Sun-hee's gang brothers steal money behind his back, and Sun-hee's old time friend approaches him to start a new drug business. Yu-jeong fights tooth and nails to break free from Sun-hee and enlists Gang-su's help- and everything turns deadly when it all reaches a boiling point.
Where “The Devil You Know” Fits in the 123Movies Catalog
Frequently Asked Questions About The Devil You Know
What is the release date of The Devil You Know?
The Devil You Know was released on June 20, 2025.
How long is The Devil You Know?
The Devil You Know runs 1 hour 44 minutes (104 minutes).
Who is in the cast of The Devil You Know?
The Devil You Know stars Han Chae-young as Yu-jeong, Hyun Woo-sung as Sun-hee, Jang Eui-soo as Gang-su and Kim Hye-eun as Grace. The cast also includes Kim Won-woo.
Who directed The Devil You Know?
The Devil You Know was directed by Hyun Woo-sung. The screenplay is credited to Hyun Woo-sung.
What kind of movie is The Devil You Know?
The Devil You Know is listed on TMDB as a mix of thriller and crime.
What is the TMDB score of The Devil You Know?
On TMDB it has an average user score of 5.5/10 from 2 votes.
What should I watch if I liked The Devil You Know?
Movies TMDB recommends alongside The Devil You Know include The Seven-Ups (1973), LaRoy, Texas (2024), The Chronicles of Evil (2015), Indemnity (2022) and Overdrive (2017).
Can I stream the full movie of The Devil You Know on 123Movies?
No. 123Movies only shows official trailers and title information. Full movies are not hosted or linked on this site.
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Indemnity
Overdrive
The Quiller Memorandum
The Parts You Lose
Gotcha!
Sunflower
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F.I.S.T.
