A future version of the U.S.S. Enterprise -1701-D appears in a space-time paradox where three separate time-periods have collided. Commanded by Admiral William T. Riker, the refitted Enterprise and officers are reunited with the former Jean-Luc Picard. Mankind’s existence is in the balance as the ships and crew from different eras join to battle the enemies of the Federation and the forces that caused their convergence,