Beamed up during an ion storm, which causes a transporter malfunction, the landing party of Kirk, McCoy, Scotty and Uhura find themselves in a mirror universe aboard a parallel Enterprise run by ruthless barbarians. The ion storm also caused their malicious counterparts to beam to the real starship. Kirk and the others must find a way home before they are discovered and exposed by their parallel crew members, who use treachery, back-stabbing and seduction to get what they want. Written by
Did You Know?
The Star Trek books 'Spectre', 'Dark Victory', and 'Preserver', all written by William Shatner
, are about the mirror universe. They take place in the 24th Century at around the same time as the Next Generation movies, and give a 100-year history of events in the mirror universe starting after this episode. See more
After the fight, mirror Spock is unconscious on the table, mirror Sulu shows up and does not have the big ugly scar on the right side of his face. See more
Terror must be maintained or the Empire is doomed.