A devoted and hardworking maid had dedicated her life to her job, reaching an age where she was considered a “spinster.” She had long accepted the idea that she would never marry. But one day, her younger brother asks her to pretend to be his fake lover in front of someone, and she couldn't bring herself to refuse his request. However, the real shock came when she saw who was present—the Vice Captain of the Knights, the man she had secretly loved for ten years! He was never popular among women due to his unkempt appearance, messy hair, and thick beard. But to her, he was a personal hero, having saved her once when she was in trouble. Ever since that moment, she had never been able to forget him. And then, something completely unexpected happens—the Vice Captain suddenly shaves his beard and tidies up his wild hair, revealing his true, strikingly handsome features! The women around him can't stop staring, but for some reason, his attention remains solely on the serious maid who never once confessed her feelings to him. As if things weren't complicated enough, she suddenly receives a marriage proposal from one of the kingdom's most talented young knights! How will she navigate this emotional chaos? And will she realize that her long-held love was never one-sided? A heartwarming romance between a serious heroine and a reserved knight, where long-buried emotions begin to surface amidst unexpected events!