[1][2] It stars Ruth Roman[3] and Sterling Hayden,[4] with a cast that also included Werner Klemperer,[5][6] Richard Gaines,[7] Charles Davis, Jeanne Cooper, and Peter Hansen.

During a stopover a woman identifying herself as a nurse takes John aside in a diner and says she has been following them because Ann is an escaped mental patient of a Dr. Frederick Simmons.

He demands the truth, whereupon Ann says she is an ex-German citizen who stumbled upon a government plot and is in possession of valuable scientific transcripts embedded on a small cosmetic mirror.

The chase ends in a confrontation between Simmons, who is actually a Soviet spy, and his accomplices versus FBI and CIA agents, who verify Ann's story.

The New York Times wrote that the film was "a rather lax and familiar melodrama about Communist espionage in this country, offers two real jolts.