"You can rely on me more."
A loving, handsome crown prince and an herb-savvy daughter of a margrave!
"I want you to always remember how much I love you."
Rosemary, the margrave's daughter, and Jaylas, the heir to the throne, confirm their love for each other and deepen their bond even in the unfamiliar royal palace. Rosemary works hard in her royal education and begins to gain the trust of those around her. But one day, she learns that a medicine essential for her sister's health is in short supply. Worried, Rosemary returns home to find a threatening letter urging her to break off her engagement to Jaylas! What will Jaylas do to protect her when he finds out what happened?
