The Undiscovered Country

Star Trek VI: The Undiscovered Country
Relese Date: 12/06/92
Stardate: 9521.0
Suing for peace because his homeworld has only 50 years of life remaining, Gorgon, the Klingon High Counsel, is met by the Enterprise to escort him to a peace conference on Earth; but Gorgon is killed, and Kirk and McCoy are accused of assassination and sentenced to life on a Klingon prison planet.