Rae Travis gets home after a particularly bad day, to Simon Kirk. He informs her that someone is ferrying terrorists between Florida and a nearby island used as sanctuary. Rae, who works on a project to safeguard planes from sabotage, never expects the danger to reach her. But when she and her brother discover someone operating a secret radio transmitter, the peril becomes all too real. Unless she takes drastic steps, Rae could lose her job - or her...