Intelligent, handsome, and struggling to make his rent, thirty-year-old Drew Morten loses his only meaningful relationship when his grandmother dies. A famous television anchor, Claudia Trenton, leaves Drew the legacy of her secret memoir. From the fate of a vanished medieval prince to a top-secret NASA study about a mystifying space object, her unreported discoveries hum with wonder.

But history merges with the present and upends Drew's life when he has a terrifying revelation. Teaming up with a brilliant woman who receives the same vision and a handsome man whose arrival is either fortuitous or sinister, Drew follows the clues in his grandmother's memoir and races against time to save the world from an apocalyptic nightmare about to be unleashed in downtown San Francisco.

As catastrophe looms, so does the question: Who, or what, is the real enemy?