Haeru, who was gifted with the mysterious power to foresee the future, rejects her fate and flees. One day, a peculiar scholar appears before her! A man who constantly gets lost, tells lies, and insists that fighting is done with the mind, not the body. From the moment she meets him, Haeru's halted fate begins to move again.

In 15th century Joseon, a sweet yet dangerous tale of love and war unfolds between the greatest genius king, untold by history, and a mysterious woman bound by the chains of destiny!