Hermione was suspicious when she found an old journal amongst her things and Tom was intrigued the night someone else's handwriting appeared in his diary. Lord Riddle watches his past unfold while trying to make sure history repeats itself without destroying time or his future. He needs a drink. Tomione. Canon shifted up 20 years. No TT/Horcruxes/Prophecy. Slytherin!Hermione/Harry.