Love in Disguise

"Love in Disguise" is poised to captivate audiences with its clever mix of romance, comedy, and high-stakes mystery.

Overview

"Love in Disguise" (native title: "나의 유죄인간") is a 12-episode romantic thriller series scheduled to premiere in October 2026 on tvN, airing every Monday and Tuesday. The drama blends office romance with undercover investigation elements and carries a 15+ content rating. It is adapted from the popular web novel "Why You Don't Know It's a Girl?" (also known as "Why You Don't Know She's a Woman?") and features a cross-dressing female lead, workplace dynamics, and a murder mystery at the center of a powerful conglomerate.

Plot Synopsis

Yoon Yi-jun is the third-generation heir to the top-ranked Taegang Group conglomerate. Blessed with striking looks, intelligence, and status, he is also an intensely sensitive perfectionist whose demanding nature causes employees to quit in droves. After a murder occurs within the company and he becomes the prime suspect, Yoon Yi-jun isolates himself at home. His life takes an unexpected turn when he hires a new personal secretary.

Enter Kang Jae-hee, a former special forces officer turned detective known for her exceptional combat skills and strength. To investigate Yoon Yi-jun and uncover the truth behind the murder, she disguises herself as a man and infiltrates his world as his secretary and bodyguard. What begins as a tense mission filled with comedic clashes gradually evolves as the two spend more time together, revealing unexpected sides of each other and blurring the lines between suspicion, bromance, and genuine romance.

Cast & Characters

Main Cast

• Yim Si-wan as Yoon Yi-jun: The quirky, hypersensitive chaebol heir and murder suspect who hires the new secretary.
• Seol In-ah as Kang Jae-hee: The strong, undercover detective and former special forces officer posing as a male secretary.

Supporting Cast

• Kim Jung-hyun as Kim Si-hyeon: A key supporting character in the unfolding mystery.
• Yeon Woo as Lee Hye-jeong: Another important supporting role tied to the central story.
• Kim In-kwon as Park Bong: Supporting cast member adding to the workplace and investigative dynamics.
• Hong Eun-hee as Yoon Yi-jun’s older sister: Family support role in the chaebol household.

Reception

"Love in Disguise" has already built strong anticipation among viewers thanks to its engaging web-novel roots and the pairing of talented leads in a fresh cross-dressing undercover storyline. Fans are particularly excited about the balance of psychological tension, sweet romance, and laugh-out-loud office comedy promised by the premise.

Fun Facts & Highlights

Source Material

The series is adapted from the web novel "Why You Don't Know It's a Girl?" written by Lee A-yeon and Ryu Do-ha, which was also released as a webtoon.

Standout Female Lead

It marks a standout project for its physically strong female lead who excels in action sequences while navigating a male disguise.

Direction and Screenplay

Director Park Dan-hee brings the story to life, with the screenplay crafted to highlight both the thriller elements and heartfelt character growth.

Romance vs. Bromance Dynamic

The drama cleverly plays with "romance versus bromance" tension, creating humorous and touching moments as the leads’ relationship deepens.

Episode Structure and Pacing

With only 12 episodes, the series is designed for a tight, fast-paced narrative full of twists.

Final Thoughts

"Love in Disguise" stands out as one of the most promising 2026 releases, offering a refreshing twist on the office romance genre by weaving in crime, disguise, and emotional discovery. The charismatic lead performances and intriguing plot are sure to keep audiences hooked from start to finish.

Where to Watch

Broadcast Schedule

"Love in Disguise" will broadcast on tvN.

Streaming Access

• South Korea: TVING.
• Globally: Prime Video.

Main Role

Seol In-Ah Yim Si-Wan

Support Role

Yeon Woo Hong Eun-Hee Kim Jung-Hyun Kim In-Kwon