[here's a hint.....i wrote it kind of like book style...bear with me]
Something ancient and evil is about to be released and Hogwart's is in trouble, but where is Harry Potter and the great Albus Dumbledore now to save them? Lady Mykyra Frost is the new headmistress at Hogwarts, could she be conjuring up this new evil or perhaps maybe it is the newest DADA teacher Professor Rydell. He has been sneaking around in search of ancient runes, will he unlock this evil? Perhaps maybe it will be a student, or there is something darker and more evil that is behind this all, but who could it be?
There are six pieces to a puzzle that are scattered all over the wizarding world but there is a seventh piece out there somewhere that can destroy it, who will find it and will they be in time? The evil grows stronger with each piece that has been found and put together. Will the slytherins find it and even possibly help the evil or maybe the Gryffindor's will use their bravery to collect it and destroy it...... it may be possible that the clever witted Ravenclaws will find it or even the Hufflepuffs might find it, you can always count on them when in need. Only time will tell...............