"Sky Castle" is a South Korean television series that aired in 2018. The drama revolves around the lives of wealthy families living in a luxurious apartment complex known as Sky Castle. It explores themes of ambition, education, and the pressures of societal expectations, particularly focusing on the lengths parents will go to secure their children's success. The show features a strong ensemble cast, including Lee Tae-ran, Yoon Se-ah, and Kim Seo-hyung. It received critical acclaim for its storytelling and character development, becoming one of the highest-rated dramas in South Korean television history. The series highlights the competitive nature of education in South Korea.