An Enterprise landing party finds a planet biologically paradise-like, but soon a crew member is killed by something lurking around. An unidentified, irresistible force from the planet keeps the ship caught and blocks the transporters function. Suddenly a sort of spore eruption knocks Spock out, but only temporarily. They find a primitive village near the power source, devoted to the service of a certain Vall they seem to consider their divine creator; McCoy finds them completely free of dise ...[Read Story ]