Chloe, the daughter of an earl, has been in love with her partner since childhood, even though it was a political marriage arranged by her parents. However, the man who is her fiancé, Ernesto, the eldest son of the Marquis de Ordland, ultimately chooses her sister Emily over Chloe. Chloe is devastated by her cruel reality, but then Leonel of the Duke of Sisleyl suddenly asks her to marry him. An obsession and doting story that begins with a contract marriage between an unfortunate count's daughter and a little duke who doesn't know her love!