Star Trek: The Next Generation

The world Capulon IV is finally ready to join the Federation aften years of waiting. All that remains is the ruler''s coronation and a routine signing of the final treaty. When the crew of the U.S.S. Enterprise™ and their passengers -- a group of women from a religious order dedicated to helping the downtrodden -- arrive for the event they expect to find a world willing and happy to receicve them. Instead, they encounter deceit and treachery. The crown prince, once excited and eager to join the Federation, now refuses even to speak with Captain Picard.
Beaming to the surface in an attempt to work out the problem, Picard, Troi, and Mother Veronica, the abbess of the nuns, are drugged and captured. Now they must somehow excape and stop the crowning. If they cannot prevent it, the King will be omnipotent, with the power to destroy the Starship Enterprise and all of Capulon IV as well...