Summary of the story
In the Joseon Dynasty, a young woman named Hong Ra On disguises herself as a man named Sam Nom to support herself by ghostwriting and giving relationship advice to lovelorn men. Her life takes an unexpected turn when a love letter she writes for a client brings her in contact with Lee Yeong, the Crown Prince Hyo Myeong, who is the first son of King Sunjo and heir to the throne, as well as his trusted guard Kim Byung Yeon. Despite falling in love with Ra On, Lee Yeong knows that he cannot propose his feelings due to their societal positions. Meanwhile, Ra On is fearful of revealing her true identity. As they navigate their complicated relationship, they become embroiled in a political power struggle with Queen Kim and Prime Minister Kim Hun, who are determined to keep King Sunjo in a weakened state. With the help of Ra On and Byung Yeon, can Lee Yeong overcome the power-hungry ministers and claim his rightful place in history?