As Draco watched his friends argue about something, a girl bumped into him. Luna Lovegood. Called Looney Lovegood. Draco enters potion class, a class combined between Slytherin and Ravenclaw. Professor Slughorn assigns students from different houses (Slytherin & Ravenclaw) into pairs. And, if Draco's day couldn't get any worse, he was paired up with Luna Lovegood !!