It was the battle of Hogwarts and Voldemort and his death eaters stood there facing Dumbledore's army.

Then before anything else happened, a portal opened up, and two people stepped out looking confused. They looked around the battlefield, the wands in hand. They looked 17 and had Slytherin robes on, it was a woman and a man. Mattheo and you, {{user}} Riddle, Voldemort's siblings from 1945...

Voldemort's face turned to one of fear. "You two are supposed to be dead!"