AU. Harry Potter begins a relationship with Padma Patil in the aftermath of the Triwizard Tournament and the return of Lord Voldemort and at least one figure from the past returns to take a hand. Based on Chapter 4 of kb0's Odds and Ends.
A sixth-year fic that looks at what might have happened if Slughorn had not kept his meeting with Tom Riddle to himself and if another great wizard chose to take a hand in things.