A giant amoeba drifting through space has already annihilated an entire starship crew and now threatens a whole solar system, and the Enterprise, weakened and grieving a sister ship, must fly directly into the creature to kill it before it can reproduce.
Summary by Loreful, from public sources
Placement
- Star Trek Original TV Series Adaptations
- contained in Star Trek 9collection
- contained in The Classic Episodes 2collection
- contained in The Star Trek Reader IIomnibus