The inhabitants of Ganymede need to find mates from another world or they will become extinct. They soon discover a suitable breeding stock amongst the females of planet Earth. After receiving an unusually high number of reports of missing women, policeman Detective Hartley (Alfred Burke) begins to search for an explanation. Meanwhile, Jack Costain (John Saxon), an earnest American scientist, investigates the dramatic increase in UFO activity.
Wonderful Cameo from Warren ‘Alf Garnett’ Mitchell and along side John Saxon are well know actors Ballard Berkeley ( Fawlty Towers) and the character actor Aubrey Morris (The Wicker Man).
Includes the hit 60s pop music track “Image” by Joe Glenn, Larry Greene and Bob Sande.