Invaded by Alien Energy
"The Lights of Zetar"
Lt. Mira Romaine, Scotty's girl friend, is possessed by the space minds who have been seraching for a place to live ever since their planet died years ago. In order to rid her body of the invading creatures, Mira is placed in a high pressure chamber which forces out the strange cluster of intelligences. Though they have a right to survive, Kirk observes, they should not do so by stealing the lives of others.
