The 5th part of the Star Trek series, Enterprise transported Audiences back to the very start - beginning with the launch of the first warp five capable vessel commanded by Jonathon Archer whos father, Henry Archer had taken a lead roll in designing the engine.
Archer is acompanied on the Enterprise by sub-commander T'Paul a vulcan originally sent to observe the humans and, Charles 'Trip' Tucker III.
Series 3 of Enterprise was taken up by the search for the Xindi - a species which learned humans would later destroy them and so sent weapons to destroy Earth.