We all know that Voldemort killed his father and grandparents when he was still a teenager. This is how I imagine things went the day he killed them, the day that Tom Riddle truly became Lord Voldemort.
"There were just some scars that remained, no matter how much time might pass." Even after all this time, Ginny Weasley had never truly gotten over Tom Riddle. In fact, she missed him. But that was her little secret. One-shot.