[All] Undercover Miss Hong Basic Information! Characters, Cast, Plot, Ending, Park Shin-hye

tvN's weekend drama Undercover Miss Hong is a retro office crime comedy set in the financial world in the late 1990s.

Park Shin-hye transforms into a securities supervisor who gets a job undercover, and we've compiled the characters, their relationships, and even OTT information.

 

 

1. What is the basic information about Undercover Miss Hong?

 

Undercover Miss Hong is a tvN weekend drama that first aired on January 17, 2026.

The 16-episode series airs every Saturday and Sunday at 9:10 PM. It is available on Netflix and Tving.

 

The genre is a combination of period drama, black comedy, crime, and office.

Set in the financial world in the late 1990s, this is the sequel to the previous work, Pro Bono.

 

 

2. Summary of the plot of "Undercover Miss Hong"

 

Sammo Hung, a 35-year-old securities regulator, was in trouble while tracking the flow of slush funds at a major securities firm.

In order to continue the investigation, I decided to get a job undercover as a 20-year-old new employee named 'Hong Jang-mi'.

 

In the process of searching for ledgers while living in the company dormitory and working at the crisis management headquarters,

Past relationships and new ones began to intertwine simultaneously.

 

 

3. Undercover Miss Hong Main Characters

 

Sammo Hung and Jangmi Hong were played by Park Shin-hye. They are the first female supervisors at the Capital Market Investigation Bureau of the Securities and Futures Commission.

He tracks economic crimes using numbers and trends. After working undercover, he lives as a low-level new recruit within the organization.

She showed a different tension from the existing image of a cool-headed career woman.

 

Shin Jeong-woo, played by Go Kyung-pyo, is the new president of Hanmin Securities and a pragmatic manager who prioritizes calculation over emotion.

He appeared to be wavering between work and emotions as he recognized his former lover Sammo Hung in Jang Mi Hong's face.

 

 

4. Supporting characters and character relationships are key

 

Go Bok-hee is played by Ha Yoon-kyung. As the president's personal secretary, she repeatedly makes realistic choices to survive in Yeouido.

He is a character. After being notified of his dismissal, Hong Jang-mi's actions triggered a change in his values.

 

Albert Oh was played by Jo Han-gyeol. He is the grandson of Hanmin Securities founder Kang Pil-beom, and was indifferent to management.

He became embroiled in the succession struggle and emerged as a central figure.

As the play progresses, it is implied that he is emotionally attracted to Hong Jang-mi.

 

 

5. Viewership ratings, reactions, and viewing points

 

The initial viewership ratings started in the 3% range, and were evaluated as somewhat lower than the previous work.

However, it is not a simple office comedy, but rather a story of slush funds, stock manipulation, and whistleblowers.

The possibility of a rebound after the mid-term was mentioned.

 

The key points to watch are Park Shin-hye's dual identity acting and the retro production that recreates the financial world of the 1990s.

If the story of Shin Jeong-woo's past lover is fully developed here, the genre's fun will likely be further enhanced.

 

 

 

FAQ

Q1. How many episodes of Undercover Miss Hong are there?
It was produced in a total of 16 episodes.

 

Q2. Where can I watch Undercover Miss Hong on OTT?
Available on tvN, Netflix, and Tving.

 

Q3. When is the actual setting?

It is set in the stock market in the late 1990s, around 1997.

 

Q4. Is there a romantic element to it?
It's crime/office centered, but includes some past lover's story.

 

 

 

 

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