Kirk must resolve a mining dispute on a the cloud city of Stratos to acquire the resources to cure a space plague.

Bob Myles, Charlene Polite, Diana Ewing, Donna Garrett, Ed Long, Fred Williamson, Garth Pillsbury, Harv Selsby, Jay D. Jones, Jeff Corey, Jimmy Fields, Kirk Raymone, Lou Elias, Marvin Walters, Ralph Garrett, Richard Geary, Roger Holloway, Walter Scott