In 1696, Christopher Ellis, a young, hot-tempered gentleman, is sent to the Tower of London, but not as a prisoner. A sudden twist of fate has led him there to assist the renowned scientist Sir Isaac Newton, who as Warden of the Royal Mint has accepted an appointment to hunt down counterfeiters who threaten to topple the shaky, war-weakened economy. Armed with Newton s superior intellect and Ellis s skill with a sword, the new partners seem primed to solve the case. But when their investigation leads them to a mysterious coded message on a corpse hidden in the Lion Tower, they realize that...