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. 113 min. Widescreen (Enhanced); Soundtracks: English Dolby Digital 5.1 EX, French Dolby Digital 5.1, Portuguese Dolby Digital mono, Spanish Dolby Digital mono; Subtitles: English, French, Portuguese, Spanish; audio commentary; featurettes.