Hong Rang tells the story of Hong-rang (Lee Jae-wook), the son of a large merchant in the Joseon, who went missing at the age of eight years old returning at the age of 20, and Jae-yi (Jo Bo-ah), the half-sister of Hong-rang, searching for his whereabouts.
^ abcdeIm, Min-ji (September 20, 2023). "이재욱X조보아→김재욱 '탄금' 캐스팅..미스터리 멜로 사극(공식)" [Lee Jae-wook X Jo Bo-ah, Kim Jae-wook 'Tangeum' casting..Mystery melodrama historical drama (Official)] (in Korean). Herald Pop. Archived from the original on September 20, 2023. Retrieved September 20, 2023 – via Naver.
^Jeong, Ga-young (April 19, 2023). "[단독] 이재욱, 미스터리 로맨스 '탄금' 주인공" [[Exclusive] Lee Jae-wook, main character in mystery romance 'Tangeum'] (in Korean). Sports Worldi. Archived from the original on September 20, 2023. Retrieved September 20, 2023 – via Naver.
^Kim, Hyun-jung (April 19, 2023). "[단독] 조보아, 드라마 '탄금' 주인공 캐스팅" [[Exclusive] Jo Bo-ah cast as main character in drama 'Tangeum'] (in Korean). X-ports News. Archived from the original on August 2, 2023. Retrieved September 20, 2023 – via Naver.
^Hong, Se-young (May 25, 2023). "[단독] '사랑의 이해' 정가람, 사극 첫 도전...'탄금' 출연" [[Exclusive] 'Understanding Love' Jung Ga-ram, first challenge in a historical drama...Appearing in 'Tangeum'] (in Korean). Sports Donga. Archived from the original on June 4, 2023. Retrieved September 20, 2023 – via Naver.
^ abLee, Min-ji (September 20, 2023). "넷플릭스 '탄금' 이재욱-조보아→엄지원 김재욱 캐스팅 확정 [공식]" [Netflix's 'Tangeum' Lee Jae-wook and Jo Bo-ah → Eom Ji-won and Kim Jae-wook casting confirmed [Official]] (in Korean). Newsen. Archived from the original on September 20, 2023. Retrieved September 20, 2023 – via Naver.
^Lee, Seung-hoon (May 25, 2023). "[단독]김재욱, 15년만 사극 출연..'탄금' 한평대군 캐스팅" [[Exclusive] Kim Jae-wook, appearing in a historical drama for the first time in 15 years... Casting Prince Han Pyeong in 'Tangeum'] (in Korean). MT Star News. Archived from the original on September 20, 2023. Retrieved September 20, 2023 – via Naver.