Yoon Kyun-sang’s new drama ‘Class of Lies’ releases two posters, announces premiere date

Yoon Kyun-sang‘s upcoming drama Class Of Lies has released its first two posters and announced its premiere date.

The new series, which was previously called Mr. Temporary and Undercover Teacher, centers on a lawyer who goes undercover as a teacher to enter a prestigious high school and investigate a murder case.

Yoon Kyun-sang is starring in the drama as the lawyer named Go Moo-hyuk. who is sharp and determined as shown by the look of his face (right) in the poster below. As the undercover teacher Gi Kang-jae, on the other hand, he always wears a smile that reflects his friendly and approachable personality.

In another poster, Yoon is shown standing along the school corridor as he is about to open a door. This and the previous poster read: “His undercover operation to find the truth begins.”

Both posters also reveal the premiere date of Class Of Lies, which will be on July 17. The drama will replace Save Me 2 on the Wednesday-Thursday time slot of OCN.

Meanwhile, Geum Sae-rok and U-KISS’s Jun are also starring in the series.

KDRAMAPAL IS HIRING! Our team is looking for one (1) home-based news writer who can fluently translate Korean articles into English and write an original content using the translation. If you are qualified and interested, send your cover letter and resume to [email protected].


Samfann is a writer and editor for Kdramapal. He works closely with other writers to produce and publish online content. At the age of 21, he founded a Korean entertainment blog that went on to become a major player in the industry. He spends most of his free time watching American and Korean TV series and doing volunteer work for an online initiative that provides underserved students with grants and scholarships. He's also passionate about unique and revolutionary ideas that make the world a better place.