Dark Magic, Dark Wizards and a mysterious and deadly Dark Flux, which, in the wrong hands, has the terrifying potential to mass-murder Muggles and Muggle-borns ... If working with Draco Malfoy was the last thing Hermione Weasley ever wanted, falling for your enemy was the least expected. A quest to thwart a magical weapon of mass destruction has devastating consequences..

Its Hermione Granger's 7th year. Voldermort is dead, she is Head Girl, and she is about to start a real relationship with Ron. Everything is perfect, or so she thinks. When everything goes wrong and the unthinkable happens, who will help her survive.