100 Days of Deception: Kim You-jung's Multilingual Period Drama
If you have seen 100 Days of Deception popping up in your feed this week, here is the short version: Kim You-jung (김유정, "kim yoo-jung") stars in a period drama that has Korean media talking about its history, its languages and its overseas fans. Some Korean press calls it "The 100-Day Lie", which is simply a different English rendering of the same title.
Photo: Front view of the Imperial Throne Hall Geunjeongjeon at Gyeongbokgung Palace with blue sky in Seoul by Basile Morin, CC BY-SA 4.0, via Wikimedia Commons
I will be upfront about one thing. The articles I am working from this week are mostly headlines, so I will stick to what they confirm and tell you clearly where a detail is not confirmed. Where Korean context helps, I will add it.
What is 100 Days of Deception about?
According to a t2ONLINE headline from October 25, Kim You-jung plays a street thief who gets drawn into Korea's independence movement. That one line tells you a lot about the tone. A thief living by her wits is a classic starting point for a story where an ordinary person ends up caught in something much bigger.
The independence movement is dongnip undong (독립운동, "dohng-leeb oon-dohng"). In Korea it refers to the many ways people resisted Japanese colonial rule, which lasted from 1910 to 1945. Koreans grow up with these stories in school, at national holidays and in museums, so a drama set around them carries real emotional weight at home.
The setting: a sageuk with independence-movement stakes
A historical drama in Korea is called a sageuk (사극, "sah-geuk"). Most sageuk are set in the Joseon dynasty, the kingdom that ruled Korea for roughly 500 years until 1910, so you get palaces, hanbok and court politics. Some press coverage links this show to Joseon, and one overseas-reaction headline mentions a viewer "supporting the Joseon side".
Photo: Overview of the Old Seodaemun Prison (구서대문형무소) by Noh Mun Duek, CC BY-SA 4.0, via Wikimedia Commons
The independence movement, though, is tied to the period after Joseon ended. My sources do not give the exact year or the plot beats, so I will not guess. If you want to know precisely where the story sits in history, the opening episode is the safest place to find out.
What I can say as a Korean viewer is that dramas touching this era usually put everyday people at the center, not just famous figures. A street thief as the lead fits that pattern.
How the cast trained for multilingual roles
The Korea Herald ran a piece on October 29 titled "How cast of '100 Days of Deception' trained for multilingual roles." The headline confirms two things: the show uses more than one language, and the actors prepared specifically for it.
I only have the headline, so I cannot tell you which languages, how many months of lessons, or who studied what. I would rather not invent those details. For the specifics, read the Korea Herald article directly.
Why does this matter to viewers? In a drama about this period, switching languages is part of the story, not decoration. Actors who have to deliver emotional scenes in a language that is not their daily one are doing something harder than memorizing lines, so it is natural that Korean media is curious about the training.
100 Days of Deception reactions from overseas viewers
Star News, a Korean entertainment outlet, published a roundup on October 30 in its "K-EYES" series, which collects overseas comments on Korean content. It uses the title "The 100-Day Lie". Two reactions made the headline.
- A Japanese viewer was highlighted for supporting the Joseon side. Korean media tends to pay close attention to comments like this, since the history involved is sensitive and viewers in Japan watch these dramas too.
- Another comment called it the "Best K-drama of the year", according to the same headline.
That is as far as my sources go. They do not give ratings, view counts or a full set of comments, so I cannot call the show a hit or a miss. If you want the unfiltered mood, Reddit threads and YouTube comments are where many international fans post episode-by-episode reactions. Treat any single comment as one person's opinion.
100 Days of Deception trailer and clips
If you want a quick feel for the show before committing, this short clip from a fan channel is a good starting point.
▶ 100 Days of Deception #kdrama #koreandrama #kimyoojung — Annu (YouTube)
Cast, episodes and where to watch: what is confirmed
Many of you are searching for the cast list, episode count and streaming platform. Here is an honest summary of what my sources do and do not say.
| Question | What the sources say |
|---|---|
| Lead actor | Kim You-jung, as a street thief (t2ONLINE) |
| Wider cast | Not named in the headlines I have |
| Total episodes | Not stated |
| Netflix or other platform | Not stated |
| Release schedule | Covered by Lifestyle Asia Hong Kong on October 27; details not available to me |
For the weekly premiere dates, the Lifestyle Asia Hong Kong article on the release schedule is the best place to check. The platform's own listing is also reliable, since schedules can differ by country.
Are they siblings? A note on spoilers
Several people search for whether two characters are siblings. Nothing in my sources addresses character relationships, so I will not guess. The question may also be a plot twist, and I would rather not spoil it for you. I will cover it properly once I can confirm it.
Why this drama is worth watching in Korea's context
Kim You-jung has worked as an actor since childhood, and Korean audiences know her well. Seeing her as a street thief who ends up in a historic struggle is a story shape Korean viewers instantly understand: a person who starts out thinking only of survival and slowly finds something worth risking everything for.
The multilingual element and the independence-movement theme also make this a drama that international viewers can follow without much Korean history background, as long as someone explains the context. That is the gap I am trying to fill here.
FAQ
Who stars in 100 Days of Deception?
Kim You-jung (김유정) plays a street thief who is drawn into the independence movement, according to t2ONLINE. The sources I have do not name the rest of the cast.
How many episodes does 100 Days of Deception have, and is it on Netflix?
My sources do not state the total episode count or the streaming platform. A Lifestyle Asia Hong Kong article from October 27 covers the release schedule, and your local streaming listing will show availability in your country.
Are they siblings in 100 Days of Deception?
I cannot confirm this from my sources, and it may be a spoiler. I would rather say nothing than guess.
Sources
- Kim You-jung plays a street thief drawn into Korea’s independence movement in 100 Days of Deception — t2ONLINE
- How cast of '100 Days of Deception' trained for multilingual roles — The Korea Herald
- "Japanese viewer supports Joseon side," "Best K-drama of the year": Overseas reactions to "The 100-Day Lie" [K-EYES] — 스타뉴스
- ‘100 Days of Deception’ release schedule: When do new episodes premiere? — Lifestyle Asia Hong Kong
Part of our weekly series — see K-Culture This Week (Oct 23–29, 2026) for the rest of the week's Korean culture news.
Last updated: October 30, 2026
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