Detente comes to outer space, as the Enterprise is assigned to escort a Klingon ambassador to a peace conference with the Federation. But when the Klingon ship is inexplicably attacked, Captain Kirk and Dr. McCoy are charged with murder and hauled off to a remote alien gulag while Spock must find out who is risking the start of interplanetary war. William Shatner, Leonard Nimoy, DeForest Kelley, Kim Cattrall, and Christopher Plummer star. Theatrical version; 110 min./Director's cut; 113 min. Widescreen; Soundtracks: English Dolby TrueHD 7.1, French Dolby Digital stereo; Subtitles: English, French; audio commentary; featurettes; storyboards. Two-disc set.