Scientist Adrian Cool spots a UFO approaching earth on his radar. His daughter, Coco is kidnapped, and Illya follows and he's captured also. Simon Sparrow, a power-mad millionaire, has faked the approaching UFO to secure power for himself as the representative on earth of the ""aliens"". Sparrow captures Solo and puts him in an experimental wind tunnel to kill him, but he is saved by Corinne. Coco develops a crush on Illya; while they are trying to stop Sparrow, they end up aboard his ""UFO"".
Elenco: Robert Vaughn , David McCallum , Leo G. Carroll .