In 2017, Son Oh-gong (Lee Seung-gi) and Woo Ma-wang (Cha Seung-won) are in conflict with each other as they look for a true light in a dark world where evil thrives. From there, Son Oh-gong is bound to his protective role towards Jin Seon-mi (Oh Yeon-seo), the little girl he had met years ago. Having made a contract with Seon-mi 25 years ago, entitling her to seek help from Son Oh-gong whenever she calls him in exchange for letting him free, the two meet again in a fateful encounter. The drama is a modern spin on the classic Chinese novel, Journey to the West.
III. Main Cast
|Lee Seung-gi||Son Oh-gong||Sun Wukong|
|Cha Seung-won||Woo Hwi / Woo Ma-wang||Bull Demon King|
|Oh Yeon-seo||Jin Seon-mi / Sam-jang||Tang Sanzang|
|Lee Hong-gi||P.K / Jeo Pal-gye||Zhu Bajie|
|Jang Gwang||Yoon Dae-sik / Sa Oh-jeong||Sha Wujing|
|Director||Park Hong Kyun|
|Kim Jung Hyun|
|Kim Byung Soo|
|Screenwriter||Hong Jung Eun|
|Hong Mi Ran|
According to data released by Nielsen Korea, A Korean Odyssey ranked the most-watched show of its time slot including both cable and public broadcasting channels for its premiere episode. Moreover, the series broke the record for the highest ratings for the first episode of a tvN drama in the Nielsen Korea 20-49 year-old target audience bracket.