It's been seven months since billions of people vanished off the face of Earth. Amy Book, is on the search for answers to the whereabouts of her mother and younger brother. She is a accompanied by her cat 'Betty'. Together they discover they aren't alone. They must fight through cannibalistic monsters and survivors with special abilities. All while the corporation 'Tri-Source Pharmaceutical' controls the strings to this New World. Amy is determined to find the truth with a few friends. "When the World ends, a New World begins"