One prince is ambitious and will do anything to become king. Another prince is gifted in the arts but has power thrust upon him.
With the king in ill health and an invasion threatening the country, government officials pressure the king to choose a successor. Prince Lee Kang (Joo Sang Wook) is very ambitious and will do anything to become king. Lee Kang’s younger brother, Prince Lee Whi (Yoon Shi Yoon), is gifted in poetry and painting and has no interest in ascending the throne, but the king’s mother believes Lee Whi would be the better king.
Lee Whi falls in love with Sung Ja Hyun (Jin Se Yeon), the beautiful and righteous daughter of a high government official. But Lee Kang also falls in love with her despite being married to her best friend, Yoon Na Gyeom (Ryu Hyoyoung). When Lee Whi is sent into battle to prove his worthiness to rule, can he avoid the deadly traps set by Lee Kang and return to the woman he loves?
“Grand Prince” is a 2018 South Korean drama series directed by Kim Jung Min.