The Mutant Camp

When he was 12, Percy Jackson was kidnapped and forced to live in a camp, where he was trained, tortured and abused every day. When he was 16, he found out something he had never deemed to be possible. Now, after all those years, he is an NYPD officer and knows that everything is over, until a certain girl stands on his doorsteps and claims otherwise. AU no (demi)gods. Percabeth.