An embittered former lover of Kirk's uses stolen alien technology to swap bodies with him, seizing command of the Enterprise while the real Kirk, trapped and disbelieved in her body, must convince a skeptical crew of the truth before the impostor does lasting damage.
Summary by Loreful, from public sources
Placement
- Star Trek Original TV Series Adaptations
- contained in Star Trek 5collection
- contained in The Classic Episodes 3collection
- contained in The Star Trek Reader IIIomnibus