She is a queen who loses everything and dies after being falsely accused and stabbed. Seirena Hunter suddenly returns to the past, ten years earlier, right after her parents’ deaths. Shocked to be nineteen again, she decides that this second life will be different. She vows to stop letting others use her and chooses to protect her family by becoming a Chevalier, the strongest and most honorable knight in the empire. As she dedicates herself to sword training, the commander of the knights, Ash Greywind, appears before her and her new path begins.