Dr. Cherlotov, a scientist of an enemy power, failed to defect to the West when his wife did. Now that he has developed a cheap, effective anti-ballistic system, the IMF are ordered to get him out. Unfortunately, they find out that Cherlotov doesn't wasn't to defect: he merely wants to convince his superiors he is loyal and live out his life. The IMF smuggle in his wife Karen. Meanwhile, Rollin convinces Cherlotov's watcher and the security commissioner, Jankowski, to put Cherlotov under jail for suspicion. When Cherlotov realizes what his country does to other dissidents he agrees to defect, but Jankowski sees through Rollin's cover and tries to arrest them all.