"Undiscovered Country" is a science fiction film released in 1991, directed by Nicholas Meyer. It is the sixth installment in the Star Trek film series and features the original cast, including William Shatner as Captain James T. Kirk and Leonard Nimoy as Spock. The plot revolves around the tensions between the United Federation of Planets and the Klingon Empire as they attempt to negotiate peace following decades of conflict. The story begins with the assassination of a Klingon ambassador, leading to Kirk and the crew of the USS Enterprise being framed for the crime. As they work to uncover the truth, themes of prejudice, redemption, and the quest for peace are explored. The film is notable for its commentary on political issues and has been praised for its engaging narrative and character development.