A landing party exposed to mysterious radiation begins aging decades within hours, and as Kirk himself succumbs and command slips toward an increasingly reckless replacement, McCoy races to find a cure before old age kills the crew or a wrong decision kills the ship.
Summary by Loreful, from public sources
Placement
- Star Trek Original TV Series Adaptations
- contained in Star Trek 7collection
- contained in The Classic Episodes 2collection
- contained in The Star Trek Reader IIIomnibus