This is a story about a girl named Perrie. Perrie has lived such a beautiful life in the Pure City. The Pure City is a wonderful, shiny, crystal empire. Everyone lives in a paradise of light. Light cards tell the citizens how much longer they have to live. It was strange though....Perrie was sure her neighbor's Light card had at least 39 more days. Before she knew it, her neighbor had vanished. Something has been happening in the Pure City. People are mysteriously disappearing. There have been rumors of a new project people volunteer for. Something else is going on, and it's up to Perrie to find out.