Captain James T. Kirk and the USS Enterprise are reluctantly assigned to escort Klingon Chancellor Gorkon to Earth for peace negotiations.
Spock leads an investigation on the Enterprise and discovers a cross-species cabal involving Federation, Klingon, and Romulan officials—all of whom fear their "usefulness" will end in a world of peace. Star Trek 6: The Undiscovered Country
The film is set in 2293 after a catastrophic explosion on the Klingon moon , an overmined energy source. This event causes ecological collapse on the Klingon homeworld, forcing the Empire to seek peace with the United Federation of Planets because they can no longer afford their military expenditures. Captain James T