""Sandford fans rejoice! Davenport next generation has arrived and Letty is exactly the kind of cool-eyed, smart-mouthed, lethally dangerous heroine we've been waiting for." --Lisa Gardner, author of One Step Too Far By age twenty-four, Letty Davenport has seen more action and uncovered more secrets than many law enforcement professionals. Now a recent Stanford grad with a master's in economics, she's restless and bored in a desk job for U.S. Senator...

"Alex Sand was spending the evening at home playing basketball with his two young sons when all three were shot in cold blood. A wealthy federal judge, there's no short list of people who could have a vendetta against Sands, but the gruesome murders, especially that of his children, turn their St. Paul community on its head. Sand was on the verge of a major donation to a local housing charity, Heart/Twin Cities, and with the money in limbo, eyes suddenly...

It was a relatively minor criminal matter, but enough that the U.S. Marshals obtained a warrant to enter the home. They didn't expect to unearth trophies from a score of killings. Now Lucas Davenport is on the trail of a serial murderer, one who was able to operate for years without notice or suspicion. But there's even more to this killer than meets the eye.

When a renowned expert in infectious diseases disappears without a trace, Letty Davenport, with the world on high alert, calls in her father, Lucas, to locate him, and when their worst fears are confirmed, they must race against time to stop the virus he created from becoming the perfect weapon.