A man has had to retire from his job on a spaceship because of an accident which has given him a fear of heights. Depressed and unhappy, he eventually finds that rescuing a cat from a skyscraper ledge restores his "balance".
An alien spacecraft lands on Earth. Scientists try to understand the alien pilot and his technology, including a jet engine which does not seem to have a power source. Adapted from a short story by SF author Theodore Sturgeon.
