This thrilling Star Trek adventure follows James T. Kirk, Spock, and Dr. McCoy as they travel thousands of years into the past.

Time in the galaxy has stopped running in its normal course. That can mean only one thingthe Guardian of Forever is malfunctioning. To save the universe, Starfleet reunites three of its most legendary figuresAdmiral James T. Kirk, Spock of Vulcan, and Dr. Leonard McCoyand sends them on a desperate mission to contact the Guardian, a journey that ultimately takes them 5,000 years into the past. They must find Spock''s son Zar once again, and bring him back to their time to telepathically communicate with the Guardian. But Zar is enmeshed in troubles of his own, and soon Kirk, Spock, and McCoy find themselves in a desperate struggle to save both his and their world.