Cho Yeo Hwa has been a widow for 15 years. Her in-laws are the most prestigious noble family in the area. During the day, she lives quietly at home and never goes out. At night, however, Yeo Hwa secretly climbs over the surrounding wall to care for people in need. Meanwhile, she grows close to Park Soo Ho and begins to dream of a future with him. Soo Ho, meanwhile, is a high-ranking officer. He is good at his job and is attractive.