In the Joseon Dynasty period, the kingdom was enveloped in a political maelstrom. Cheo Seon was born as a posthumous child and separated from his mother immediately. When he meets So Hwa, the daughter of a powerful noble, he falls in love with her immediately. He voluntarily becomes a eunuch to be close to So Hwa. Entering the royal palace, he sees King Sung Jong and So Hwa spend their first night...