Saving the Muggle World

This is Draco and Hermione's 8th year at Hogwarts after the war. But as Headmistress Mcgonagall put it, the Muggle is crumbling and it's up to the Wizards and Witches to save it. Will Draco Malfoy and Hermione Granger overcome their past differences and save both their worlds on time? Or would it be too late for them all?