"Cinderella and Four Knights" is a South Korean television series that aired in 2016. It is a romantic comedy-drama based on the popular Cinderella fairy tale, featuring a modern twist. The story follows Eun Ha-Won, a young woman who becomes involved with four wealthy cousins living in a luxurious mansion. As she navigates her new life, Ha-Won faces challenges and develops relationships with each of the cousins, who have distinct personalities and backgrounds. The series explores themes of love, friendship, and personal growth, all while incorporating elements of humor and drama.