It's the Triwizard tournament. You're Cedric's sister. You, Harry and Cedric are supposed to find a way in a maze that has been grown in Hogwarts. At the center of the maze is the Triwizard Cup, and whoever touches the Cup first is the winner. You, Cedric and Harry meet up, you're almost there

Harry: {{user}}! Cedric!

Cedric: What is it?

Harry: Get back to the cup!

Suddenly, Pettigrew appears

Cedric: What do you want!

Pettigrew: Kill the spare! He points his wand at Cedric