Potions Mishap

THE CHARACTERS IN THIS ARE NOT MINE! THEY ARE J.K ROWLING'S! I ONLY OwN THe PlOT OF THE STORY!
What happens when Draco, stops spending time with his best friends, and Blaise, and Pansy decide to prank Draco by putting Amortentia, (or what they though was Amortentia) into his drink after a Quidditch game?