They have been hired to think the unthinkable. But what happens when the unthinkable becomes reality? After 9-11, best-selling author Alan Ripley joins a government think tank consisting of the country's most imaginative minds. Their job? Think of nightmare scenarios and crippling terrorist attacks so that the government can safeguard against them. But when the think tank folds and the scenarios come true, can Ripley stop the very attacks he imagined?