TV The King in Love The King in Love 4.1/10 by 17 users Set during the Goryeo dynasty, Won, crown prince, has a sweet appearance hiding a lust for conquest. He is best friends with Rin, an elegant man of royal descent and Won's bodyguard. When beautiful San, the sole daughter of the wealthiest man in the nation, enters the lives of the two young men, the three at first become friends but a tragic romance ensues afterwards. Based on the novel of the same name by Kim Yi-Ryung. Details Casts Posters Images Title The King in Love Alternative Titles 戀愛中的王, Wangeun Saranghanda, The King is in Love, The King Loves First Air Date 2017-07-17 Last Air Date 2017-09-19 Number of Episodes 40 Number of Seasons 1 Genres Drama, Networks MBC, Casts Yim Si-wan, Yoona, Hong Jong-hyun, Park Hwan-Hee, Oh Min-suk, Yoon Jong-hoon, Jung Bo-seog, Jang Young-nam, Lee Ki-young, Uhm Hyo-seop, Park Young-woon Plot Keywords behind the scenes, porn industry, Wang Won Yim Si-wan Eun San Yoona Wang Rin Hong Jong-hyun Wang Dan Park Hwan-Hee Song In Oh Min-suk Wang Jeon Yoon Jong-hoon King Chungnyeol Jung Bo-seog Princess Wonsung Jang Young-nam Eun Young-Baek Lee Ki-young Lee Seung-Hyoo Uhm Hyo-seop Moo Suk Park Young-woon Ok Boo Yong Choo Soo-hyun Young Wang Won Nam Da-reum Young Eun San Lee Seo-yeon Young Wang Rin Yoon Chan-young Jang Ui Ki Do-hun Eunuch Kim Kim Jeong-wook