Star Trek VI: The Undiscovered Country (1991)
The battle for peace has begun.
On the eve of retirement, Kirk and McCoy are charged with assassinating the Klingon High Chancellor and imprisoned. The Enterprise crew must help them escape to thwart a conspiracy aimed at sabotaging the last best hope for peace.
William Shatner, Leonard Nimoy, DeForest Kelley
Gene Roddenberry, Leonard Nimoy, Lawrence Konner