Sir Isaac Newton kept a secret so dark, he took it to the grave. Now his secret is out… and people are dying. A series of brutal murders sends shockwaves through London, but the terror is only just beginning. An ancient plague, once thought defeated, threatens the city once more. Historian Trina Piper is called to the British Library to authenticate a manuscript that could change history—a document believed to have been penned by the legendary Isaac Newton. As she dives deeper into the text, the body count rises—and Trina suspects the manuscript and the murders are connected. And then a ruthless Russian scholar appears, determined to take the manuscript for himself... With the help of a handsome yet skeptical Interpol agent, Trina must navigate a treacherous web of ancient secrets and deadly conspiracies, taking her from the fog-shrouded alleys of Westminster to the hallowed halls of Cambridge University. Buried within the pages of Newton’s cryptic work is the answer she seeks—if she can somehow decipher its three-hundred year old message. As Big Ben ticks down, Trina faces a horrifying truth: Newton’s darkest secret could spell the end for them all. Can she solve the Newton cipher in time? Or will history’s deadliest secret be its last