Let Me Be Your Knight () is a South Korean television series directed by Ahn Ji-sook and written by Seo Jeong-eun and Yoo So-won. Starring Jung In-sun along with members of fictitious band Luna: Lee Jun-young, Jang Dong-joo, Kim Jong-hyun, Kim Dong-hyun and Yoon Ji-sung, the series depicts a romance between a world star idol suffering from sleepwalking and a resident doctor who has to secretly treat it. The series premiered on SBS TV on November 7, 2021, and aired every Sunday, at 23:05 (KST) till January 24, 2022. It is available for streaming on iQIYI in selected territories.
This series follows the lead singer of a popular idol band Luna, Yoon Tae-in who suffers from sleepwalking. To cure his condition secretly, he seeks help from a live-in doctor In Yoon-ju to cure his condition.
Lee Jun-young was confirmed to appear as the main character in the series on November 22, 2019. On August 30, 2021, the cast of the miniseries was confirmed. It was revealed that Jung In-sun, Lee Jun-young, Jang Dong-joo, Kim Jong-hyun, singer Yoon Ji-sung, and Kim Dong-hyun will be appearing as main characters in the series. Script reading site was revealed on September 28 by releasing photographs. One week later, on October 5 behind-the-scenes footage of the Luna band ensemble was released.
Let Me Be Your Knight is released in Japan, Hong Kong, Taiwan, Malaysia, Indonesia, the Philippines, Vietnam, and Thailand, as well as all over Southeast Asia, North America, South America, Australia, Europe, and the Middle East. On September 9, it was reported that Japan has signed a contract with Corpus Korea, a company specialising in overseas distribution of Hallyu content. In Southeast Asia and Taiwan iQIYI International and in Hong Kong Now TV will air the series. Viki will be streaming the series in America, Europe, Australia, and the Middle East. It premiered in South Korea on SBS TV on November 7, 2021, and aired every Sunday, at 23:05 (KST).