Drama: Love in Disguise
Type: Drama
Format: Standard Series
Country: South Korea
Episodes: 12
Aired: Oct 19, 2026 – Nov 24, 2026
Aired On: Monday, Tuesday
Genres: Thriller, Mystery, Comedy, Romance
Duration: 60 min.
Content Rating: 15+ – Teens 15 or older
Synopsis
An office romantic comedy that follows the story of a conglomerate heir and his new secretary, a former special forces officer now working undercover.
Yun I Jun is a quirky third-generation chaebol raised in a sheltered environment who becomes a prime suspect in the mysterious murder of his previous secretary. When a new “male” secretary arrives to take the position, he has no idea that she’s hiding a major secret.
To uncover the truth, Kang Jae Hui, a former special forces officer turned police officer renowned as a “human weapon” for her exceptional strength and combat skills, disguises herself as a man and goes undercover as Yun I Jun’s personal secretary and bodyguard.
While protecting him, she secretly investigates him, setting the stage for unexpected chemistry, hidden identities, and plenty of comedic tension.
Cast
Main Roles
- Yim Si Wan as Yun I Jun
- Seor In A as Kang Jae Hui
- Kim Jung Hyun as Kim Si Hyeon
- Yeon Woo as Lee Hye Jeong
Support Roles
- Jeong Han Seol as Jung Da Un [I Jun’s secretary]
- Kim Do Yoon as Park Min Hwan [Taegwang Group accounting team leader]
- Jung Yoo Min as Han Eun Yeong [I Jun’s secretary]
- Kim In Kwon as Park Bong I [Special investigation team leader]
- Kim Gi Bang as Jung Wan Gu [Jae Hui’s police colleague]
- Nam Hae Jun as Kim Seok Jin [Criminal investigation unit police inspector]
- Ahn Sang Woo as Ma Hui Do [Detective]
- Choi Jin Ho as Yun Tae Sik [I Jun’s father]
- Hong Eun Hee as Yun Mi Jin [I Jun’s sister]
- Park Ah In as Yun Na Jeong [I Jun’s older sister]
- Jo Seung Yun as Na Man Seok [Taegwang group executive]
- Lee Young Joon as Moon Jun Hyeon [Na Jeong’s husband]
- Ryu Seung Soo as Kang Seok Gu [Jae Hui’s father]
- Park Joon Myun as Cho Suk Ja [Jae Hui’s mother]
Guest Roles
- Choi Hee Jin as Lee Si A [I Jun’s fiancée]
- Jeon Young as Choi Myeong Suk [I Jun’s housekeeper]
Final Thoughts
“Love in Disguise” offers an entertaining blend of thriller, mystery, comedy, and romance, combining an undercover murder investigation with classic disguised-identity tropes. The dynamic pairing of a sheltered chaebol heir and an elite combat officer serving as his bodyguard-secretary sets up an exciting balance of suspenseful intrigue and lighthearted office romance.
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