She was an amateur doctor living alone in a remote wooden house. When she went up the mountain to collect medicine, she accidentally encountered a man covered in blood. After several inner struggles, she brought him back to the wooden house.
She originally wanted to ask his family for treatment fees after he was cured, but she didn't expect that she would gradually develop feelings for him as they spent time together.
The man's identity was unclear, but she didn't want to ask more questions because he was unhappy. Just when she was enjoying the simple and happy time, the man suddenly left without saying goodbye, which made her heartbroken.
It was two years after they met again, and she was taken back to the man's real home. Only then did she realize that the man had to repay her life-saving grace with his life.
Concept: class love