Director Lee Chang-hee a K-thriller master who has produced a slew of hit series such as "Hell Is Other People" and the film "The Vanished" has successfully breathed life into the award-winning webtoon "A Killer Paradox" through strict adherence to the plot of the original webtoon series. “A Killer Paradox” follows the story of Yi Tang (played by Choi Woo-shik) a colleg.