이해수 (Lee HaeSoo) had to live disguised as a man ever since she was born. She must prove that her father did not put out an act of treason for greed but for the protection of his family. While she goes on a task to find evidence, 해수 meets an unexpected man whom falls for her charming personality. Will 해수 be able to live the way she's wanted all her life? Keep reading to find out!