A shapeshifting creature that feeds on bodily salt stalks the Enterprise disguised as crew members, including a woman Dr. McCoy once loved, and the doctor must accept that the pitiable last survivor of a dying species is also a killer. Blish's collection retitles the televised "The Man Trap."
Summary by Loreful, from public sources
Placement
- Star Trek Original TV Series Adaptations
- contained in Star Trekcollection
- contained in The Classic Episodes 1collection
- contained in The Star Trek Reader IIomnibus