A real-time account of the events on United Flight 93, one of the planes hijacked on 9/11 that crashed near Shanksville, Pennsylvania when passengers foiled the terrorist plot.

Novelist Catherine Tramell is once again in trouble with the law, and Scotland Yard appoints psychiatrist Dr. Michael Glass to evaluate her. Though, like Detective Nick Curran before him, Glass is entranced by Tramell and lured into a seductive game.