Upcoming Korean Drama: 100 Days of Deception Release Date, Plot, and More

K-drama fans have been longing for a historical action-romance series. Are you also one of those fans who are desperately searching for a new drama consisting of action, romance, historical, and thriller scenes? Don’t worry, your search ends here. The series is also called 100 Days of Lies. It is a Korean-language series. The series mixes a blend of undercover work, slow-burning romance, and colonial-era tension.

This blog has complete details about the release date, cast members, trailer updates, production details, and more about the release of the 100 Days of Deception series. Yoo In-shik is the director behind the series and has directed several notable series, such as The Wonderfools, Romance 2016, and more. Keep reading to know such interesting facts.

What is 100 Days of Deception About? Synopsis

The series explores the life of a pickpocket who has joined a secret mission and become an undercover private investigator at the Japanese Government-General of Korea. She crosses paths with Kim Tae-woong, who is also known as Sato Hideo. He is an elite interpreter and the adopted son of Sato Shinichi, director-general of the state. They grew closer and got entangled in the secrets and hidden loyalties of the government. 

Release Date For 100 Days of Deception

The release date provided by the official streaming channel is 10th October, 2026. It will first air on tvN every weekend at 21:10 KST (Korean Standard Time). Each episode of the series will be 70 minutes. There will be 16 episodes in total, and the final episode will be released on November 29, 2026.

New episodes will be released on Saturday and Sunday, giving the viewers a consistent rhythm throughout the series. The series will be available for global premiere on the same day as the local channel on 10th October, 2026. This will make it easy for global fans to watch all the episodes without any delays.

Note: The release date of 100 Days of Deception is subject to change based on production updates. 

Trailer

The official trailer for the series has not been released as of now. However, there are several teaser videos for 100 Days of Deception available on YouTube, but none of them are the official ones. Wait a little while to watch the official trailer of the series.

Plot of 100 Days of Deception

The series is set in 1930s Gyeongseong and shows the Japanese colonial period. The series follows the story of Lee Ga-kyung, who is the sharpest pickpocket in the city. Her dream is to earn a lot of money to leave Joseon City and start a new life in America. The anti-Japanese independence group gave her an offer that she couldn’t refuse. She was asked to go undercover for 100 days as a trainee inside the Japanese Government-General of Korea.

At the start, everything seemed normal, but as the days went on, things got dangerous. Ga-kyung began providing the real information while finding new secrets and shifting loyalties. She crossed paths with a multilingual elite interpreter and the adopted son of the powerful Director General of political affairs, Kim Tae-woong. 

The story is a mix of thriller, spy, drama, action, and romance. Supporting characters will add more curiosity among viewers with a more engaging and appealing storyline of the sharp sniper who wants to take revenge.

Cast Members of 100 Days of Lies

Information about the five main cast members, along with their characters, is available as of now. Take a look at the cast along with their characters:

Kim You-jung as Lee Ga-kyung

The famous and most cunning pickpocket of the city. She has appeared in many dramas on Netflix. These are some of her most popular dramas: My Demon, Backstreet Rookie, and Chicken Nugget. 

Park Jin Young as Kim Tae-woong / Sato Hideo

The adopted son of Sato Shinichi and a new elite interpreter at the Government-General of Korea. He has appeared in several dramas and shows. Some of his most famous dramas include Dream High 2, The Witch, and The Devil Judge. 

Kim Hyun-joo as Yoo So-ran 

She is the determined sniper of an anti-Japanese independence group. She returned to Korea after spending 10 years away from Korea and with a new identity as a Chinese woman. Some of Kim Hyun-joo’s popular dramas include Hellbound, Undercover, and Trolley. 

Lee Moo-saeng as Phillip Yoo

He is a dual-role journalist. He is a correspondent for an American-based company in Gyeongseong. Phillip Yoo is smart and uses his intelligence to put pressure on the Political Chief of the Government-General and maintain a marriage with Yoo So-ran. Some of his notable dramas include The Silent Sea, The World of the Married, Hide, and many more.

Jin Seon-kyu as Sato Shinichi

The adoptive father of Park Jin-young. He is an ambitious director-general of political affairs and the primary target of Gu-guk-dan. His most recent role is as the ex-husband and a detective in the drama Husband in Action. His other notable works include The Price of Confession, The Witch, Revenant, and more.

Some of the supporting cast members of the upcoming Korean drama, 100 Days of Deception, are:

• Park Jung Yeon as Kim Myeong Nam
• Kim Do Hyun
• Kim Joong Hee

Episodes

As of now, the titles for the series have been announced. Take a look at the release date for each episode of the series, 100 Days of Deception. The table provides complete details on the release dates of all 16 episodes of the drama.

Production Detail and Latest Updates

The production of the drama started in March 2026 at Nonsan Sunshine Land. The teaser for the series arrived in the summer, which gave a simple glimpse of the series. Recently, Netflix and the original streaming channel for the series, TVN, have announced the release date for 100 Days of Deception. 

Additional Details

The table shows the production details and a short overview of the details related to the 100 Days of Deception series.

Where to Watch?

The series will be available to watch on the official network, tvN, in Korea. However, fans outside Korea can watch the series on the Netflix website or application without delay or waiting. To watch 100 Days of Deception on tvN, you need to have a South Korean cable subscription. For Netflix users, you can watch all the episodes with a subscription plan. There are several plans available for Netflix subscribers that you can select based on your budget and requirements.

Summary

The most awaited Korean drama, 100 Days of Deception, is releasing soon! It will be released on the tvN network and on Netflix for global users. With the confirmed release date, compelling storytelling, and renowned cast members, this is one of the easiest premieres that you can plan for. Whether you are a historical drama fan or are interested in action or romance, D-100 is on the way to keep you hooked throughout the month. Mark your calendar for October 10, 2026. 

Looking forward to more such series and dramas? Keep connected for the latest news about the upcoming shows.

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