In the summer before Hermione's sixth year Death Eaters killed her parents Hermione escaped but not before Greyback biting her and turning her into a werewolf. The only person she feels comfortable going to is her third year D.A.D.A professor Remus Lupin. What happens when they both realize that they are each other's mate, read and find out. In this book Sirius is alive and was saved by Remus.