A thrilling Star Trek: The Original Series adventure following Captain Kirk in race against time against the Klingon Empire.

Threatened by a deadly famine, the Klingon Empire is on the verge of igniting a mad interplanetary war of conquest. When an earthquake destroys a remote Federation research station, Jean Czerny, agricultural scientist, succumbs to amnesia. Stranded on enemy borders, she is imprisoned by Kang, the evil commander of a Klingon battleship. Now Kirk must play a dangerous game of mind strategy to prevent a savage attack on the Federation!