When a quiet moment by the Black Lake leads to the discovery of a forgotten journal, everything changes. What begins as a simple attempt to return a lost item spirals into something far more unsettling—pages filled with intimate observations, meticulous sketches, and a handwriting that feels disturbingly familiar. As the lines between watcher and watched blur, the safety of Hogwarts no longer feels certain. Someone has been paying attention. Someone knows her far too well.