When the Enterprise visits the planet Dramia, Dr. Leonard "Bones" McCoy is arrested on charges of genocide. 19 years ago, McCoy had visited the neighboring planet Dramia II, heading a mass inoculation program. Shortly after he left, the planet was ravaged by a plague epidemic which was blamed on his vaccines. There were few survivors. While McCoy is on trial, the entire crew of the Enterprise is infected with the same plague. McCoy has to both clear his name and discover a cure to the plague.
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While McCoy manages to cure the crew members at the end of the story, Spock still accuses him of medical negligence. Spock mentions that McCoy has neglected to provide regular vitamin rations to the crew. The implication is that their ill health is the result of vitamin deficiency. The subplot is not continued in other episodes. See more
Before beaming up from Dramia II, Kirk, Spock and two Dramians all exchange standing positions between wide and close angle shots. When they materialize aboard the Enterprise, they have switched again, back to their original positions. See more
[having just beamed down to Dramia II
Not the most enchanting place I've ever been to.
Plagues seldom leave behind fields of flowers, Captain.