The Perfect Lie (Korean: 라이어) is an upcoming South Korean psychological thriller television series written by Baek Jae-young, directed by Jo Young-min, and starring Yoo Yeon-seok and Seo Hyun-jin. It is a local adaptation of the 2017 British drama Liar, created by Harry and Jack Williams and produced through their production company Two Brothers Pictures for ITV. The series is scheduled to premiere on MBC TV and internationally distributed by Disney + on October 30, 2026, and will air every Friday and Saturday at 21:50 (KST).
Contents
Synopsis
The Perfect Lie follows the story of Kang Ji-seon, an elementary school teacher, and Min Jun-ho, a cardiac surgeon who raises his son alone.After an apparently perfect first encounter, the two begin giving completely opposing accounts of the same memory. As their stories collide, they engage in an intense search for the truth, where it becomes increasingly difficult to distinguish between truth and lies.
Cast
Main
Yoo Yeon-seok as Min Jun-hoa cardiac surgeon who raises his son as a single father.
Seo Hyun-jin as Kang Ji-seon an elementary school librarian who becomes involved with Min Jun-ho.
Ok Ja-yeon as Lee Hwa-young
Im Sung-jae as Park Seok-gu
Kim Ji-hyun as Kang Ji-eun
Lee Chun-hee as Kim Hyung-soo
Production
Development
The series was first announced in late 2025 as a joint production between Kakao Entertainment and its subsidiary Zip Cinema. Director Jo Young-min was confirmed to lead the project. The script is written by Baek Jae-young.
Casting
In December 2025, it was confirmed that Yoo Yeon-seok and Seo Hyun-jin would reunite as lead actors eight years after their collaboration in Dr. Romantic.