American International Pictures released the film in the U.S. as a double feature with Operation Bikini (1963).

Professor Sharpey, working in a university research laboratory, is suspected of passing secrets to the Soviet Union and commits suicide.

[4] In a contemporary review for The New York Times, critic Howard Thompson called the film an "experiment that doesn't hold water" and wrote: "Credit the Dearden-Relph unit for a smoothly machined drama, not entirely convincing but at least original...[T]he film slides downhill toward the conclusion that love conquers all, even science.

Mr. Bogarde, whose coiled, jittery behavior has no place in a 'top secret' laboratory, also murmurs something about experimental freedom.

"[5] In a modern-day review, TV Guide called the film "a strange movie that leaves a deeper impression than one might expect due to the originality of the plot and the tense direction.