 Zoe is having a terrible time: her lover Paul Hermann, who she met playing bridge on the Internet, tells her he s married, she s a victim of various incidents that indicate identity theft, and her police contact Sgt. Robowski treats her as a suspect when Paul is found murdered, pushed down a high-rise staircase, with her broken-off stiletto-heel thrown after him. Further investigations learn Dan and Zoe she was set up methodically by someone in the building who still watches them. Several tracks lead to a computer - and bridge expert who she once got convicted to jail who is free again...