Star Trek: The Undiscovered Country, released in theatres in 1991, marked the last of the Star Trek movies based solely on the original cast. In the plot of the movie, a historic Klingon peace initiative is nearly thwarted when Klingon chancellor Gorkon is assassinated, and Kirk and McCoy are accused of his murder.
... heavily influenced by Kesey's LSD-soaked Trips Festivals[?]. This early period is covered in Tom Wolfe's "The Electric Kool-Aid Acid Test." Their musical influences varied ...