Tiffany Hwang is a normal young lady who lives with her father and her younger sister Ana in a poor house. When her father goes to work at the Royal Castle as a gardener, she takes the responsibility of everything...and that was since her mother's death. She was a pretty kind girl but also strong and stubborn. She loved her family so much and everyone loved her. She always thank God for letting her live a happy life, even if it was sometimes difficult, she still like it. But... All of it changed in a blink of an eye, when she was obliged to leave her beloved family and and be the personal secretary of the queen Kim Taeyeon.