She is missing. After the family fell, after her relatives left her one after another, and after her fiancé left her due to misunderstanding, she disappeared. Four years later, she returned to the city where she had been raised. How had she changed in the past four years, and what was her attitude towards his care. Returning here again, will she find out the reason for the decline of her family? How will her fiancé react after learning about the misunderstanding? Between him and him, who will she choose in the end?