Netflix Unveils Mousetrap Trailer and August 2026 Premiere Date for Webtoon Adaptation
Catch the official Mousetrap trailer! Netflix confirms the K-drama thriller premiere date, cast lineup, and Kakao webtoon plot details.
Streamer giant Netflix has officially announced that Mousetrap, its upcoming South Korean mystery thriller series starring Ryu Jun-yeol and Sul Kyung-gu, will premiere globally on August 28, 2026. Directed by Kim Hong-sun (Money Heist: Korea – Joint Economic Area, Voice) and written by Lee Jae-gon (Special Affairs Team TEN), the 10-episode series adapts the acclaimed Kakao webtoon Field Mouse (Deuljwi). The announcement arrived alongside an official teaser poster and trailer highlighting the high-stakes identity theft conspiracy.
Table Of Content
Key Information
- Series Title: Mousetrap (Korean title: Deuljwi)
- Original Webtoon Title: Field Mouse (Deuljwi) by author Ludovico
- Director: Kim Hong-sun
- Screenwriter: Lee Jae-gon
- Release Date: August 28, 2026
- Episode Count: 10 episodes (approx. 50 minutes per episode)
- Genre: Mystery, Thriller, K-Drama, Psychological
- Original Comic Platform: Kakao Webtoon digital catalog
- Production Companies: Kakao Entertainment, C-JeS Studios, H House, Studio PIM
What Is the Plot of Mousetrap on Netflix?
Mousetrap centers on Je Moon-jae, a reclusive novelist plagued by social anxiety. Moon-jae’s quiet life unravels when a sinister figure known only as “The Rat” systematically steals his biometric data, face, name, and entire financial fortune.
Left completely stripped of his identity and unable to convince authorities who he actually is, Moon-jae turns to an unlikely partner: No-ja, a ruthless loan shark turned private investigator who had previously been hunting Moon-jae down over an unpaid debt. The duo forms a volatile alliance to track down The Rat and unravel the conspiracy behind the theft. Meanwhile, Detective Sun-yong pursues the same trail, adding another layer of pressure to the cat-and-mouse chase.
The series draws narrative inspiration from a famous Korean folktale titled “The Rat That Ate the Fingernails,” which tells the fable of a rodent that assumes a human form and takes over a person’s life after consuming trimmed fingernails. Original creator Ludovico serialized the webtoon Field Mouse on Kakao Webtoon between 2017 and 2020.
Who Is in the Cast and Crew of Mousetrap?
The production brings together prominent talent from South Korean cinema and television:
- Ryu Jun-yeol (The 8 Show, Alienoid, Reply 1988) stars as Je Moon-jae, the isolated novelist fighting to reclaim his stolen life.
- Sul Kyung-gu (Kill Boksoon, The Whirlwind, The Moon) plays No-ja, the relentless loan shark who gets dragged into the conspiracy.
- Lee Kyoo-hyung (Prison Playbook, Hi Bye, Mama!) plays Detective Sun-yong, an officer hot on the heels of the mysterious impostor.
Behind the camera, director Kim Hong-sun brings extensive experience in atmospheric thrillers, having previously helmed Voice, The Guest, and Dear Hongrang. Screenwriter Lee Jae-gon penned the script following his work on crime procedural dramas like Special Affairs Team TEN. Production took place between mid-April and November 2025.
When Is the Mousetrap Global Premiere Date?
All ten episodes of Mousetrap will drop simultaneously worldwide on August 28, 2026, exclusively on the Netflix streaming portal. Fans can read the original webtoon source material on the Kakao Webtoon digital catalog prior to the global television debut.
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