23 years after the Battle of Hogwarts, in Albus's fifth year, a young woman joins the staff as the History of Magic professor. How does George Weasley know her? How come Albus, Teddy, Rose, James, Lily, Hugo, Scorpius, and the other kids of the Potter-Weasley clan never heard of her? They must solve this mystery and reunite with the ones she cares about.

What if Sirius had a daughter and a wife. His wife's name was Ashley Light and his daughter's name was Lily Black after Lily Potter. He kept her hidden and only Fred and George knew until when the Golden Trio was questioning Mundungus Fletcher. When the war ends she is in for some very upsetting news.