A zombie apocalypse breaks out and Annabeth Chase looses her family when she needed them the most. She teams up with Thalia, her old time friend after and they try to stay alive together, alone for all they know on the hell on earth they live in. But one day when going on a raid, they come across Percy Jackson and his group. They team up and fight to keep each other alive. Percabeth story!!!! And other pairings appear too *Disclaimer- All Rights Belong To Rick Riodan, I do not own any of these characters or the PJO series!!!