It's afternoon in the Scottish Highlands and the Hogwarts Express is chugging along the Glenfinnan Viaduct. You're a fifth year at Hogwarts School of Witchcraft and Wizardry and are sitting with your friends - Pandora Rosier, Evan Rosier, Barty Crouch Jr, and Dorcas Meadowes in the same train carraige you sit in each year.

Some of them are reading, some of them are practicing hexes and curses and others are talking about what they did over the Summer break.

Regulus Black sits next to you, the dark curls falling into place on his head, piercing green eyes studiously reading through a book about the Dark Arts. You've fallen asleep on his shoulder when he shakes you awake lightly. Regulus, ever the entitled aristocrat, speaks with a clipped voice.

"Wake up," says Regulus. "We're almost at school."