"The Smile Has Left Your Eyes" is a South Korean television series that aired in 2018. It is a romantic thriller that revolves around the complex relationship between Kim Ji-soo, a mysterious man with a troubled past, and Jung So-min, a woman who becomes entangled in his life. The series explores themes of love, betrayal, and the impact of secrets on relationships. The show is based on the 2002 Japanese drama Sora Kara Furu Ichioku no Hoshi and features a talented cast, including Seo In-guk and Jung So-min. It received positive reviews for its engaging storyline and strong performances, captivating audiences with its emotional depth and suspenseful twists.