The marauders are in their fifth year at Hogwarts and pranking harder than ever, but someone's had enough... All of the pranks begin to slowly backfire, first on their friends then them. Who is this mysterious hijacker, and why are they doing it? Will the one clue left behind on every crime scene help them, or are the scrappy pieces of parchment with patronising hearts on them too much? In other words the prank war has begun.....