Turing Hopper is an Artificial Intelligence Personality with a mind like Miss Marple and hardware that hides a suspiciously human heart. Of course, it's hard to do legwork without legs, so when her human colleague Ray is murdered, she'll have to think fast-and rely on the help of her friends. But when the almost-sentient mainframe-sleuth recognizes an enemy within the walls of her lab, she realizes that whatever was after Ray might well have her on its hit list, too...