This is the story that I, Remus John Lupin, am entitled to tell you. I hope you have the patience to listen to a young, naive, werewolf tell of falling in love, and of his sins, Holy Father. SBRL

Sirius Black had a child, a daughter, to be exact. This is her life with her Godfather, Remus Lupin, and how she fell in with a path unlike any other.