Undercover (Korean: 언더커버; RR: Eondeokeobeo) is a 2021 South Korean television series directed by Song Hyeon-wook and starring Ji Jin-hee, Kim Hyun-joo, Jung Man-sik and Han Go-eun. The series following the story of Han Jeong-hyeon (Ji Jin-hee), an agent at the National Intelligence Service and a Human Rights lawyer, Choi Yeon-soo (Kim Hyun-joo), is a remake of 2016 BBC television drama series of the same name. It premiered on JTBC on April 23, 2021 and airs on Friday and Saturday at 23:00 (KST). The series is also available on streaming media TVING in South Korea