The Days Before Yesterday

Four letters on an old man's desk lead to the discovery of six missing children and the start of a war no one lived to see the end of. Or, muggles are what happens when magic is tainted. They are a cancer, and like all cancers, they will destroy the host. Muggles brought about the end of the world with Harry, Ron, Hermione, Ginny, Neville and Luna as some of the few survivors.