" Star Trek IV: The Voyage Home (1986)d.Leonard Nimoy, 119 minutesFilm Plot SummaryThree months after the conclusion ofStar Trek IIIin the year 2286, the crew of theUSS Saratogareported to Starfleet Command that it was tracking a cylindrically-shaped "probe of unknown origin" moving towards Earth; the probe was damaging everything in its path, and draining power; at Starfleet headquarters during a Federation council hearing before the President, the Klingon Ambassador denounced Admiral James T...Let""s all straighten up and fly right.The Yellowstain Incident:However, repeated incidents of poor seamanship, instability, inadequate command and judgment caused further trouble in the South Pacific after theUSS Cainereturned o sea.As Logan switched on the MRI machine to scan his entire body, he noticed to his shock hat a metallic parasitic device had been attached or implanted onto his heart by Viper a few days earlier.[Michael learned about the complex plotting against him - theImmobiliaredeal was designed to swindle him out of his money, orchestrated by Archbishop Gilday and other Vatican officials, and they ultimately wanted to kill him.