Hermione only left her parents in Australia for a year. But a lot can happen in a year. Like having another child. Hermione has a sister and she was shocked to find out. And when Alyss Granger was a witch she was guaranteed a very crazy time at Hogwarts and crazy is what she is going to get. But then again, school with Teddy would never be easy. Alyss is in for an exciting year, if not life.
Alyss has finally left Hogwarts and she's finally able to go after Tom's father, Vol Patil. But Hermione Weasley has other ideas, she wants to leave it to the aurors, something she wasn't able to do when she was 17. Alyss is 18 and believes she's better prepared, until an uninvited friend shows up and one thing that was worse than Ron leaving Harry and Hermione happens, one of them turns bad.