Ray Santiago's friends from work know him as a brilliant-but-easygoing systems engineer who spends a lot of time on his favorite online role-playing game. But the game is over for Ray: his colleagues from work, Maude, Tim, and Turing, have just found out about Ray's murder in a dark alley. He was shot, and his laptop stolen. It could be just another D.C. street crime. But if Turing's password was in that computer-and it's fallen into the wrong hands-she...

When Turing Hopper, Artificial Intelligence Personality and sleuth, uncovers information tied to criminal Nestor Garcia's long-dormant credit cards, she sends her human assistants to investigate, but when one of them becomes embroiled in murder, the A.I. detective must find a way to bring the guilty party to light.