Private eye Sharon McCone receives an e-mail asking for help from her emotionally disturbed half brother Darcy Blackhawk. She replies . . . but gets no response. As Sharon digs deeper, she discovers that Darcy sent his message from an Internet cafe in San Francisco, a city he's never been to before. Sensing that her brother is in terrible danger, Sharon begins a search for him throughout the city. The investigation leads her to the body of a woman...