A Change in the Tides

AU - The Death Eaters reign and the students of Hogwarts have fled the school knowing that they will be hunted down if they remain. Slavery is a common practice that gives muggleborns and blood traitors a place in the new society. Neville Longbottom is made a slave to some of the people he hates most of all. How will this change the fate of the wizarding world and his own? Malfoys