Love In Disguise (2026) Korean Drama: Cast, Story, Episodes, Release Date & Prime Video
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| Love In Disguise (2026) - Image credit: tvN. |
Love In Disguise (2026) is an upcoming Korean romance thriller that combines a murder investigation, undercover work and an unexpected romantic storyline. The tvN drama follows a chaebol heir who becomes the prime suspect in a murder case and a female detective who disguises herself as his male personal secretary to investigate him.
Starring Yim Si Wan as Yoon Yi Joon and Seol Ina as Kang Jae Hee, the series brings together two characters whose professional roles place them on opposite sides of a dangerous mystery.
Based on the web novel Why Don’t You Know She’s A Woman? by Lee Ahyun and Ryu Doha, the drama is scheduled to premiere on October 19, 2026, with 12 episodes planned.
With its unusual undercover premise and combination of romance and suspense, Love In Disguise is a title to watch for fans of Korean romantic thrillers.
Love In Disguise (2026) Drama Details
| Category | Details |
|---|---|
| Drama Title | Love In Disguise |
| Year | 2026 |
| Genre | Romance Thriller |
| Also Known As | My Guilty One; Why Don’t You Know She’s A Woman? |
| Episodes | 12 |
| Release Date | October 19, 2026 |
| Screenwriter | Mun Soo Jung |
| Director | Park Dan Hee |
| Network | tvN |
| Streaming Platform | Prime Video |
| Main Cast | Yim Si Wan, Seol Ina |
| Based On | Why Don’t You Know She’s A Woman? by Lee Ahyun and Ryu Doha |
| Country | South Korea |
What Is Love In Disguise About?
Love In Disguise follows Yoon Yi Joon, a chaebol heir who becomes the prime suspect in a murder case.
As the investigation unfolds, Kang Jae Hee, a female detective, takes on an unusual undercover assignment. To investigate Yi Joon more closely, she disguises herself as a man and enters his world as his personal secretary.
Her mission requires her to remain undercover while gathering information about the wealthy heir and the murder investigation surrounding him.
However, working so closely with the prime suspect creates a complicated situation. The closer she gets to Yi Joon, the more challenging her assignment may become.
With a murder mystery at its center and romance woven into the premise, the drama explores the tension between professional duty, hidden identities and personal relationships.
Love In Disguise Story and Plot
The story begins when Yoon Yi Joon, a member of a wealthy chaebol family, becomes entangled in a murder investigation.
As the prime suspect, he attracts the attention of the authorities. Kang Jae Hee, a female detective, decides to investigate him through an undercover operation.
Her disguise allows her to enter his private world in the role of his male personal secretary.
This unusual arrangement creates the central conflict of the series: Jae Hee must perform her duties while concealing her true identity and investigating the man she has been assigned to watch.
The situation combines the suspense of a murder investigation with the complications of an undercover identity.
Can Kang Jae Hee uncover the truth about the murder without exposing her disguise?
That question forms the central hook of Love In Disguise.
Love In Disguise Cast
Yim Si Wan as Yoon Yi Joon
Yim Si Wan stars as Yoon Yi Joon, a chaebol heir who becomes the prime suspect in a murder case.
His character is at the center of the investigation that brings Kang Jae Hee into his life under a false identity.
As a wealthy heir under suspicion, Yi Joon occupies a complicated position in the story. His connection to the murder case makes him the focus of Jae Hee's undercover assignment.
Seol Ina as Kang Jae Hee
Seol Ina plays Kang Jae Hee, a female detective who goes undercover as a male personal secretary.
Her mission is to investigate Yoon Yi Joon while keeping her real identity hidden.
The role places her at the center of both the thriller and romantic elements of the drama, as she must navigate an investigation while maintaining her disguise.
Yim Si Wan and Seol Ina's On-Screen Pairing
The pairing of Yim Si Wan and Seol Ina is one of the central attractions of Love In Disguise.
Their characters meet under unusual circumstances: Yi Joon is a murder suspect, while Jae Hee enters his life to investigate him without revealing that she is a detective.
This creates a relationship built around secrecy and uncertainty.
Jae Hee must maintain her undercover identity, while Yi Joon becomes the subject of an investigation that could have serious consequences for him.
The romance-thriller format gives their interactions two dimensions: the investigation unfolding around them and the personal connection that may develop during their time together.
Love In Disguise Web Novel
Love In Disguise is based on the web novel Why Don’t You Know She’s A Woman?, written by Lee Ahyun and Ryu Doha.
The source material provides the foundation for the drama's undercover premise, in which a female detective disguises herself as a male secretary to investigate a wealthy murder suspect.
The adaptation brings this setup to television through a combination of mystery, undercover investigation and romance.
Readers familiar with the original web novel may be interested in seeing how its premise is presented in the Korean drama format.
Love In Disguise Genre
Love In Disguise is listed as a romance thriller.
Romance
The central characters become connected through an unusual working arrangement that begins with an undercover investigation.
Thriller
The murder case and Yi Joon's status as the prime suspect provide the suspenseful foundation of the story.
Undercover Mystery
Jae Hee's disguise as a male personal secretary creates another layer of tension, as she must conceal her identity while investigating Yi Joon.
Together, these elements give the drama a premise that combines romantic developments with a criminal investigation.
Love In Disguise Episode Count
The drama is listed with 12 episodes.
The 12-episode format provides space for the murder investigation, Jae Hee's undercover assignment and the developing relationship between the two leads.
Individual episode titles, runtimes and a detailed broadcast schedule have not been included because they have not been provided in the available information.
Love In Disguise Release Date
Love In Disguise is scheduled to premiere on October 19, 2026.
The series is associated with tvN, with Prime Video listed as its streaming platform.
Release Information
- Premiere Date: October 19, 2026
- Episodes: 12
- Network: tvN
- Streaming Platform: Prime Video
- Genre: Romance Thriller
Viewers should check official tvN and Prime Video listings for regional availability and the latest scheduling information.
Where to Watch Love In Disguise?
Prime Video is the listed streaming platform for Love In Disguise.
Viewers can check their local Prime Video catalog for availability, subtitles, audio options and episode release details.
tvN is the listed Korean television network associated with the drama.
Love In Disguise Official Poster
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| Love In Disguise (2026) - Image credit: tvN. |
Love In Disguise Official Trailer
What Makes Love In Disguise Interesting?
The most distinctive feature of Love In Disguise is its undercover premise.
Kang Jae Hee is not simply investigating a suspect from a distance. She must enter his personal world and work as his secretary while concealing her identity.
At the same time, Yoon Yi Joon is a wealthy heir whose involvement in a murder case places him under suspicion.
This creates several layers of tension:
- A murder investigation
- An undercover detective
- A disguised identity
- A wealthy prime suspect
- A professional relationship complicated by secrecy
- A romance-thriller storyline
The combination of these elements gives the series a mystery-driven setup with romantic potential.
Who Should Watch Love In Disguise?
Love In Disguise may appeal to viewers who enjoy:
- Korean romance thrillers
- Undercover investigation stories
- Murder mysteries
- Chaebol-centered K-dramas
- Hidden identities
- Romantic tension between leads
- Web novel adaptations
- Yim Si Wan dramas
- Seol Ina dramas
- October 2026 Korean dramas
Final Thoughts
Love In Disguise (2026) combines a murder investigation with an unusual undercover assignment and a developing romance.
Starring Yim Si Wan as Yoon Yi Joon and Seol Ina as Kang Jae Hee, the drama follows a chaebol heir who becomes a murder suspect and a female detective who disguises herself as his male personal secretary to investigate him.
Based on the web novel Why Don’t You Know She’s A Woman? by Lee Ahyun and Ryu Doha, the 12-episode series is scheduled to premiere on October 19, 2026.
For viewers who enjoy Korean dramas involving secret identities, criminal investigations and complicated relationships, Love In Disguise is worth adding to their October watchlist.
Frequently Asked Questions About Love In Disguise
What is Love In Disguise about?
It follows a chaebol heir suspected of murder and a female detective who goes undercover as his male personal secretary to investigate him.
Who stars in Love In Disguise?
The main cast includes Yim Si Wan as Yoon Yi Joon and Seol Ina as Kang Jae Hee.
How many episodes does Love In Disguise have?
The drama is listed with 12 episodes.
When does Love In Disguise premiere?
The scheduled release date is October 19, 2026.
Where can I watch Love In Disguise?
Prime Video is the listed streaming platform, while tvN is the associated Korean network.
Who wrote Love In Disguise?
The screenwriter is Mun Soo Jung.
Who directed Love In Disguise?
The director is Park Dan Hee.
Is Love In Disguise based on a web novel?
Yes. It is based on Why Don’t You Know She’s A Woman? by Lee Ahyun and Ryu Doha.
What are the alternative titles of Love In Disguise?
The listed alternative titles are My Guilty One and Why Don’t You Know She’s A Woman?
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