Anna Spring had to get away from her family, her job, her life. Almost nobody from her past knows that the former geneticist has left Europe and moved to San Francisco. She soon finds a new job as a security guard and a new friend, the photographer Jeff Rockwell. Even her romantic fantasies begin to bloom when on one of her nightly rounds she meets the irresistibly fascinating but inscrutable Midori James, a manager at the advertising firm Anna works for. When Mido disappears Anna searches for her with Jeff's help. The voices on Mido's answering machine tell a strange tale of deep trouble she has gotten herself into. And then Jeff gets killed. The police treat his death as an accident but Anna knows it was murder. Especially when she realizes that his killer is trying to hunt her down as well. Anna leaves the city--alone and on a desperate flight from invisible enemies whose agenda she yet has to unravel. Finally, her own past catches up with her as her investigations lead to a reproductive clinic in Reno--and once again into the labyrinths of genetic research…