Emily Carter, a female student who has been carrying exotic fragrances since childhood and has a talent for fragrance blending, temporarily stayed at her best friend and fianc é Chris Ashford's Fog Harbor estate after failing to find a job after graduating from college. During their interactions, Emily Carter gradually developed feelings for the aloof and noble top financial magnate Chris Ashford, but struggled due to ethical taboos. While attempting to escape, Emily Carter discovered that there were many secrets hidden within the estate: the family of estate owner Chris Ashford was connected to a shipwreck conspiracy a hundred years ago, and Emily Carter's background was also closely linked to the estate's secrets. As the investigation deepens, Emily Carter gradually uncovers the truth in the fog of the estate and gets caught up in a more complex emotional vortex