The only story out there that has never been told before is your life story.
Elvis Presley went from being born a twin to dying on the toilet from an OD. If you'd been reading his story, you wouldn't expect that twist ending. etc.
Everything else has already been done in some shape and form, every epic tale or horror series or non-fictional work, has. been. done. before.
It's how you write it that matters.
Own that darn cliché.
Just don't bring sparkles into the mix.
This is what I keep telling myself every time I connect a movie or book to my own work.
Because IT SUCKS when you see something out there in the public eye that's like just a teeny weeny bit or maybe like a lot like a carbon copy alternate universe version of your own novel you've written a decade ago/been working on that make you jump up, point your finger and demand: