Surveillance:
Counterintelligence Case Studies

Nonfiction accounts of moles, deception, and investigations. The warning signs tend to look clearer in the final report.

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New Teaser Reveals Character Dynamics in '100 Days of Deception'

Sep 18, 2026
New Teaser Reveals Character Dynamics in '100 Days of Deception'

The upcoming drama '100 Days of Deception' has unveiled a new character teaser ahead of its premiere. Directed by Yoo In Shik, known for his work on 'Extraordinary Attorney Woo' and the 'Dr. Romantic' series, this period spy romance is set during the Japanese occupation of Korea. The narrative centers on Lee Ga Kyeong, portrayed by Kim You Jung, who is the top pickpocket in Gyeongseong, modern-day Seoul. She becomes an undercover spy for the independence movement, infiltrating the Japanese Government-General of Korea. In this dangerous role, she becomes entangled with interpreter Kim Tae Woong, played by Park Jinyoung, who also goes by the name Sato Hideo. The teaser highlights the intricate relationships among the five main characters, each with their own motives and secrets. Lee Ga Kyeong is depicted as making a risky deal in pursuit of her ambitions, expressing her desire to go to America to become a spy. Meanwhile, Yoo So Ran, played by Kim Hyun Joo, is shown targeting Sato Shinichi, the Director-General of Political Affairs at the Japanese Government-General, as part of her long-standing quest for revenge. The teaser reveals her determination, stating, "It took 13 years to find his whereabouts and for this opportunity to finally come." The relationship between Sato Hideo and Sato Shinichi is also explored, with Sato Hideo questioning what he must do to gain his father's approval, only to be met with a gun aimed at him, indicating a troubled father-son dynamic. Additionally, Yoo Philip, portrayed by Lee Moo Saeng, is depicted as a journalist trying to uncover the truth. The teaser also shows Lee Ga Kyeong approaching Sato Hideo under her false identity, Geum Seo Hee, setting the stage for their complicated relationship. As they interact, Sato Hideo appears to develop feelings for her, culminating in a romantic moment where they embrace in the rain, raising questions about how their relationship will evolve amidst their hidden identities. '100 Days of Deception' is set to premiere on October 10 at 9:10 p.m. KST.

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Surveillance:
Counterintelligence Case Studies

Nonfiction accounts of moles, deception, and investigations. The warning signs tend to look clearer in the final report.

Evaluate
Charles 'Sam' Faddis

CIA officer, author, and friend. Explore the books of Charles 'Sam' Faddis, remembered with respect and affection.

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Kim You Jung Faces Critical Moment in '100 Days of Deception' Episode
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Kim You Jung Faces Critical Moment in '100 Days of Deception' Episode

In the latest episode of '100 Days of Deception,' Kim You Jung's character, Lee Ga Kyeong, confronts a pivotal moment in her undercover…

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