David Chattam

In the present, Scarpetta and Benton's marriage is tested when Kay is called in by the FBI to perform autopsies on two dead astronauts. In the past, it's Friday night, and the killer could strike at any moment.

At Princeton University in 1955, Ben must find a formula hidden by Albert Einstein that holds the key to nuclear energy before the Nazis get it; he's surprised to run into a familiar face on campus.