With an old enemy returned from the dead, the gang are forced to consider new questions. What is Kate and how is she alive? Even worse, why is Stiles having strange dreams again and why does he feel drawn back to the nemeton? Could it all be linked to the singing Lydia can't stop hearing from the forest? Singing that makes her want to scream. Based after season three.

Big Four Hogwarts AU. It all begins with four letters. From these letters four students of Hogwarts will meet and form a bond that is more significant than any of them could imagine. It is through this bond that they will unite to face a growing darkness that threatens the entire world. It is through his bond that they will become the Big Four. HIJACK, Merida/OC, Rapunzel/Flynn