The once famous "Rose Amongst Thorns," Lady Agnes, undergoes hardship one after another ever since her father, an aristocrat, was found embezzling political funds. After receiving the status of a "fallen aristocrat," many left Agnes to fend for herself... Except for Bernard, the low-ranking knight. To divert Bernard's mother from forcing marriage upon him, Agnes steps in to act as his engaged partner for the time being. However, despite the short-term agreement, Bernard's mother enjoys Agnes to the extent that the situation becomes more than just an act...