Dead bodies are being found all over Miami. Agent Hank Rawlings has had his sights set on this vigilante serial killer for months. When a husband and wife are found murdered, their bodies accompanied by letters confessing their past crimes, Hank and Agent Beth Harper immediately leave for Florida.
Salem Wiley is a genius cryptanalyst, courted by the world’s top security agencies ever since her quantum computing breakthrough. She’s also an agoraphobe shackled to a narrow routine since her father’s suicide. When her intelligence work unexpectedly exposes a sinister plot to assassinate the country’s first viable female presidential candidate, Salem finds herself both target and detective in a modern day witch hunt.