When a space probe returns covered in fungus, a scientist throws himself into researching it, only to discover that this substance is lethal when it comes into contact with humans. After he dies from exposure to the substance, a pair of government agents hunt down his former lover who is unwittingly spreading the pathogen. Directed by Edward Bernds. Written by George Worthing Yates and Daniel Mainwaring. Starring Paul Frees, Bill Williams and Lyn Thomas. Click for other version of poster