Based on the novels by Jack Higgins, Sean Dillon is a maverick British agent who uncovers a plot to take over the presidency of the United States. The Windsor Protocol is a list created by Adolf Hitler that will help revive the Nazi party; Dillon must find it before it falls into the wrong hands.
After Zane Ziminski is found dead five people received envelopes with details of an alien invasion. This group of five includes 3 scientists, Zane's brother Jack, and a reporter. Quickly, the group is down to three and then Jack and Bridget, the reporter. With a small piece of alien technology, they must escape from the aliens, who take human form, and try to convince others that aliens exist.