The Korean drama Undercover Miss Hong combines comedy, crime, romance, and emotional drama into one intriguing story set in the late 1990s. Starring Park Shin-hye and Go Kyung-pyo, the series offers more than just light entertainment. Beneath its undercover premise lies a tense financial investigation filled with personal conflict, ambition, and emotional wounds from the past.
The drama airs on tvN and is also available internationally through Netflix, making it accessible to a wider global audience while still carrying the nostalgic atmosphere of its late-90s setting.
Synopsis of Undercover Miss Hong
Undercover Miss Hong follows Hong Keum-bo, a woman in her 30s who works as an elite investigator at the Financial Supervisory Service. In a workplace dominated by men, she is known for being strict, emotionally distant, and completely devoted to her job. To Keum-bo, numbers never lie, and justice must be pursued regardless of the consequences.
Her career once rose quickly after she successfully handled several major cases, eventually earning a manager position. However, everything collapsed after she failed to expose a problematic investment scandal connected to Hanmin Securities. Because of that failure, she lost her position to a rival. Even so, Keum-bo never truly gave up.
The Hanmin case is not an ordinary one. Nine years earlier, the company had escaped legal punishment due to lack of evidence when Keum-bo was still a rookie investigator. The trauma of that failure continues to haunt her, especially after the mysterious death of the company owner’s son, who had once provided an important clue related to embezzlement. Keum-bo becomes convinced that this time, the truth cannot be buried again.
In order to obtain Hanmin’s hidden ledger of illegal funds, Hong Keum-bo takes an extreme step. She goes undercover as a woman in her early 20s named Hong Jang-mi, a high school graduate just entering the workforce. Using this fake identity, she successfully infiltrates the securities company she has been investigating as a low-level employee.
But the undercover mission becomes more than simply entering the company system. Keum-bo must also fight against the limits of age, identity, and her own past. She struggles to adapt to younger workplace culture, different lifestyles, and the pressure to appear cheerful, something completely opposite from her naturally rigid and serious personality.
An Unexpected Encounter with the Past
Inside Hanmin Securities, Hong Jang-mi crosses paths with Shin Jung-woo, the company’s new CEO. Jung-woo is known as a talented management consultant and corporate raider who believes numbers are the only honest thing in business. He is willing to use any method necessary to achieve his goals.
The problem is that Hong Jang-mi looks exactly like Hong Keum-bo, the woman Jung-woo once loved in the past. Their reunion sparks confusion, suspicion, and unresolved emotions that never fully disappeared. As they continue working together, their relationship grows increasingly complicated, caught somewhere between professional interests, old scars, and feelings that slowly begin to resurface.
This is where Undercover Miss Hong finds much of its strength. Beneath the serious investigation storyline, the drama blends situational comedy from Keum-bo’s double life, personality clashes, and romantic tension that feels restrained yet believable.
A Blend of Comedy, Crime, and Human Drama
Undercover Miss Hong is not solely focused on exposing corruption. The series also highlights the struggles women face in the workplace, the moral pressure created by capitalist systems, and the personal cost of choosing truth over power.
Supporting characters such as Ko Bok-hee and the other Hanmin employees help enrich the story through different perspectives, creating a lively and colorful team dynamic. The comedy emerges naturally throughout the narrative, balancing the heavier themes surrounding financial crime and corporate corruption.
Release Schedule and Production Information
Undercover Miss Hong premiered on January 17, 2026, and concluded on March 8, 2026. The drama aired every Saturday and Sunday at 9:20 PM KST on tvN, replacing Pro Bono. In total, the series consists of 16 episodes, each running for approximately 70 minutes.
Before officially adopting the title Undercover Miss Hong, the drama was previously known by its working title Miss Undercover Boss. The project was directed by Park Seon-ho, with a screenplay written by Moon Hyun-kyung, who is known for balancing emotional storytelling with entertainment-driven narratives.
Cast of Undercover Miss Hong
Park Shin-hye plays the dual role of Hong Keum-bo and Hong Jang-mi, portraying two completely contrasting personalities within one character. Go Kyung-pyo stars as Shin Jung-woo, a cold and calculating CEO burdened by unresolved emotional wounds from the past.
The supporting cast includes Ha Yoon-kyung, Cho Han-gyeol, Choi Ji-su, and Lee Deok-hwa, all of whom contribute depth to the story through layered and complex characters.
Final Thoughts
With its distinctive 1990s setting, refreshing undercover premise, and balanced mix of genres, Undercover Miss Hong stands out as a drama that is both entertaining and reflective. The story explores how idealism, ambition, and personal emotions collide in a world controlled by numbers, money, and power.
For viewers who enjoy Korean dramas that combine investigation, romance, and comedy, Undercover Miss Hong deserves a place on the must-watch list of 2026.
