Original sentence: Kirk), which is affected by the time travel story.Kirk, as well as constraints arising from the fact that not all members of the original cast are still alive.Rather, it is a precursor, describing the inception of the whole series, establishing a timeline starting earlier than that of the original series (earlier, in fact, than the birth of James T.The production's aim was to be faithful to the Star Trek canon, preserving continuity, with the time-travel storyline, and modernizing the production design of the original show.The time-travel story establishes extension of the timeline of the original Star Trek series, both forwards (towards the future) and backwards (to the past), more specifically.This creates plenty of opportunity for further sequels to the film, and to the entire series, more generally, also freeing the film and the franchise from certain constraints, especially age constraints of Leonard Nimoy (age 78), the original  Spock, and of William Shatner (age 78), the original James T.Thus, the flm is not a sequel to the original series, since it does not , so much, relate to an aftermath,  describing unfolding chain of events in the future (although it does hint some such aftermath, through the portrayal of the old original Spock (Leonard Nimoy) as 'Ambassador Spock'), nor does it create an alternate reality
Edited sentence: The production's aim was to be faithful to the Star Trek canon, modifying continuity with the time-travel storyline, and modernizing the production design of the original show.The time-travel story establishes an alternate reality, freeing the film and the franchise from established continuity constraints