Series synopsis
Undercover Miss Hong, also known as 언더커버 미쓰홍 is a South Korean crime comedy drama television series that premiered on tvN on January 17, 2026. It ended on March 8, 2026. It was created by Moon Hyun-Kyeong. It stars Park Shin-hye, Go Kyung-pyo, Ha Yoon-kyung and Cho Han-gyeol.
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.
Premise
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.
Cast and characters
Leading cast
- Park Shin-hye as Hong Geum-bo
- Go Kyung-pyo as Shin Jeong-wu
- Ha Yoon-kyung as Ko Bok-hee
- Cho Han-gyeol as Albert Oh
- Yuna as Hong Jang-mi
- Lee Duck-hwa as Kang Pil-beom
- Kim Hyeong-mook as Oh Deok-gyu
- Kim Won-hae as Yun Jae-beom
Supporting cast
- Choi Ji-su as Kang No-ra
- Lim Cheol-soo as Cha Jeong-il
- Kang Chae-young as Kim Mi-sook
- Kim Young-woong as Hong Chun-seop
- Lee Su-mi as Kim Soon-jung
- Park Mi-hyeon as Song Ju-ran
- Kim Do-hyun as Bang Jin-mok
- Jang Do-ha as Lee Yong-gi
- Choi Won-young as Kang Myeong-hwi
- Byeon Jung-su as Choi In-ja
- Seo Hyun-chul as So Gyeong-dong
- Kim Roi-ha as Bong Dal-su
Episodes
This series spans 1 season with 16 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 16 | January 17, 2026 | March 8, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
The Woman Known as the Witch of Yeouido While investigating Hanmin Investment & Securities, Hong Geum Bo faces a setback after meeting an informant — forcing her to go undercover. |
January 17, 2026 |
| 2 |
Between Recruitment and Infiltration Disguised as a 20-year-old employee, Geum Bo cozies up to Ko Bok Hui for intel — until her heart skips a beat when Sin Jeong U arrives at work. |
January 18, 2026 |
| 3 |
Right Under the Nose and in the Line of Fire While avoiding Jung-woo, Keum-bo continues investigating leads undercover. Meanwhile, she clashes with Bok-hee - causing tension at home. |
January 24, 2026 |
Production
Release
| Original network/platform | tvN |
|---|---|
| First aired | January 17, 2026 |
| Last aired | March 8, 2026 |
| Status | ended |
| Schedule | Saturday, Sunday at 21:15:00 |