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Undercover Miss Hong poster

Undercover Miss Hong

8.0
2026
1 Season • 16 Episodes
CrimeComedyDrama
Director: Park Seon-ho
Watch on Netflix

Overview

A retro office comedy depicting the chaotic events that unfold in the late 1990s when Sammo Hung, a 30-year-old elite securities supervisor who only cares about work, goes undercover as a 20-year-old high school graduate employee at a securities firm where suspicious money flows are detected.

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Trailer

Official Trailer [Subtitled] Official

Cast

Reviews

AI-generated review
The Nostalgia of the Ledger

I’m still not sure why we keep circling back to 1997, but Korean television clearly can’t let go of the IMF crisis. Maybe it’s unresolved grief, maybe it’s cultural muscle memory, maybe it just remains too useful as a way of explaining how everything cracked. In *Undercover Miss Hong*, that period of financial collapse isn’t just background texture. It becomes the setup for an unusually pointed joke about corporate greed. Park Seon-ho, who nailed the fast, fizzy tempo of office romance in *Business Proposal*, tries something stranger here. For long stretches, this tvN and Netflix series plays like a workplace screwball. Then it drops you straight through the floor.

Park Shin-hye stars as Hong Keum-bo, a 35-year-old elite financial inspector known as the "Witch of Yeouido." Chasing a tip about a giant slush fund at Hanmin Investment & Securities, she uses her youthful face to pass as a 20-year-old entry-level clerk under the name Hong Jang-mi. It is a ridiculous premise, and the show knows it. The script keeps nudging at how much disbelief it’s asking for when a seasoned woman in her mid-thirties is meant to disappear into the role of a fresh graduate. But Park makes the whole thing stick by playing the strain, not the gimmick. She keeps shifting physically between two selves: the upright certainty of an investigator and the smaller, careful posture expected of a junior woman in a late-nineties office.

A tense elevator encounter between Keum-bo and Jung-woo

Things really tighten when the new CEO of Hanmin Securities shows up. Go Kyung-pyo plays Shin Jung-woo as more than a cold corporate predator obsessed with the numbers. He’s also Keum-bo’s former lover, which gives every encounter an extra layer of damage. Go has been refining this kind of role for years, all the way back to *Reply 1988*: men who seem open and warm until you notice the steel underneath. Here, he strips that persona down to something even harder. He barely needs to raise his voice. He just holds still, and everyone else starts scrambling to fill the silence. Midway through the season, there’s an elevator scene between them where the camera fixates on the space they aren’t crossing. It’s suffocating. You can almost hear the air thinning out.

But *Undercover Miss Hong* isn’t only running on ex-lover tension. Underneath that, it’s really about the invisible work done by people at the bottom of the ladder. The series finds its best rhythm once Keum-bo starts seeing the junior clerks around her differently, especially colleagues like the sharp, dryly funny Go Bok-hee, played by Ha Yoon-kyung with perfect deadpan timing. These are the people actually keeping the place from falling apart.

Keum-bo and her mismatched investigative team in masks

The moment I keep returning to comes in episode eight. The IMF crisis hits the news, and the bright, candy-coated buzz of the Hanmin office just dies. The sound drops away until all that’s left is the hum of the television report and desk phones ringing with nobody answering. Park stands in the middle of the bullpen, and the comic energy drains out of her face in real time. Her shoulders fall. The disguise stops mattering. It’s a startling pivot, and a good one. A comedy suddenly has to admit that the figures in a ledger are attached to actual lives that can be wrecked.

I’m not convinced the show will keep this balance steady all the way to the end. At times the jump from slapstick spy-business, like the recent masked stakeout and voice-modulator nonsense in an abandoned building, to the bleakness of layoffs is so abrupt it borders on whiplash.

A quiet moment of reflection in the late-90s Seoul setting

Even so, I can’t stop watching. Park Seon-ho and writer Moon Hyun-kyung have built a sharp little Trojan horse. They pull you in with retro styling, dial-up jokes, and flirtation, then quietly hand you a critique of the systems that left a generation bruised. The question sitting underneath it all is an ugly one: if the game was fixed from the start, who exactly is the joke for?