Prof seems like he’s targeting me

i was called out for plagiarism on my first text given in the class, was false but he was nice so i redid it, when the second assignment came back i got a good grade on it and thought it was all past me but he re gives me the assignment back with the mark taken away and plagiarism as the reason and the makeup text for the first assignment he also called for plagiarism, please help i don’t know what i can do