Not plagiarized. Same plot as many other stories? Yes. Same theme as many other stories? Yes. Predetermined hate for plagiarizing before? Yes. Rushed like all your other self written stories, as well as semi-well structured and mediocre overall? Yes.
Well, now that I actually bothered to read it after posting that feedback, I have only one thing to say. TENSES. GAAAAAAAAAAĆH!
I've never heard of a story like this one except the obvious that there r other stories about the Holocaust