Harry Potter gets thrown back in time to the 1940's by a strange creature claiming to be fate, and against his better judgment decides to go to Hogwarts to check out the grandparents of the people he went to school with, and more importantly, observe the baby dark lord. Harry didn't expect that Riddle would be so fascinated with him, but he supposes their could be worse outcomes
Well,' Harry thought to himself as he raised a slender eyebrow 'I guess now I know why the cabbie laughed at me when I told him my name.' True, many dimensions and universes were intertwined together in some form, be it books, movies, bedtime stories, games or ancient hieroglyphic tales displayed on egyptian walls. It was still shocking to see your own name plastered on the cover.
After a lavish adulthood Harry decides that he's bored of stealing from former Death Eaters and decides to do something productive, like stealing the Veil from the Ministry. What he didn't expect was to fall into it and end up in his past. Harry also failed to account that shaking hands with your parallel self can end badly. Time Travel