Scientist Jan Benes, who knows the secret to keeping soldiers shrunken for an indefinite period, escapes from behind the Iron Curtain with the help of CIA agent Grant. While being transferred, their motorcade is attacked. Benes strikes his head, causing a blood clot to form in his brain. Grant is ordered to accompany a group of scientists as they are miniaturized. The crew has one hour to get in Benes's brain, remove the clot and get out. (1966), C, 101 min., NR, Fox Home Entertainment.After an attempted assassination of a diplomat, a submarine and its crew of scientists and doctors is shrunk to microscopic size and injected in to the diplomat's bloodstream to save his life.