Summary
Sci-fi adventure starring Stephen Boyd, Raquel Welch and Donald Pleasence. When Jan Benes, an important Czech scientist, suffers a brain injury while escaping from behind the Iron Curtain, vital information he is carrying is put at risk along with his life. General Carter, of the Combined Miniature Deterrent Forces (CMDF), decides on the ultimate cranial experiment; a submarine and medical crew are shrunk so that they can be injected into Benes's bloodstream to operate from within.