A beautiful college coed becomes suspicious of some weird actions overseas by a naturalized American college professor and confides in her instructor, who alerts a friend in the FBI. It turns out the professor, who conceals a passionate hatred for the US, is in league with Al Qaeda in an ingenious scheme to sneak radioactive "dirty bombs" into the United States to explode simultaneously in New York City and Washington, DC. The intelligence services of Great Britain, Germany, Switzerland, Canada and Interpol become involved in the FBI's frantic efforts to thwart the plot.