Perhaps the story shows how the Scottish man, called the Devil, has a misunderstood reputation and the romance blossoms as the protagonist discovers his true nature. It could also have elements of historical or cultural backdrop related to Scotland.
It could be a tale of forbidden love where the Scottish man, labeled as the Devil, has a dark past that complicates the relationship. There might be elements of mystery and adventure as the heroine tries to uncover the truth about him.
The story might involve a passionate love affair with the Scottish man, known as the Devil, facing various challenges and obstacles along the way.