Diana accidentally time walks into a moment in Matthew's past, when he was married to a Lady from Grantham. A story told through three perspectives.

Matthew asks Diana if she would like to go timewalking again, as her father did with her mother. One of her suggestions leads to her learning about a period of his life which he has never told anyone. The one time he was forced to give up his first name, when he became the second husband of Lady Mary Crawley.

Ten years after the Battle of Hogwarts, Hermione is working in Oxford and attempting to live a normal, adventure-free life. Then another witch opens a mysterious book, and her world is turned upside-down again.