Set it on DS9. Include the best of the cast from TNG, VOY, and DS9. Lots of awesome stuff you could do with that. On a side note, is anyone else disappointed that there's zero Cardassian appearances in the TNG films? That they were series-long anagonists in DS9 but somehow not good enough for a film seems like a huge wasted opportunity.
Like have no budget for effects since you have three expensive casts? No screen time for everyone since you have three crews crammed into one movie? I'd love a DS9 movie, but the crossover stuff is best saved for the novels and fanfictions.
Don't let the naysayers get you down. Your idea is very doable. Do it like Peter Jackson's The Fellowship of Rings trilogy. One 6 1/2 hr. mega-epic story shot all at once then broken into 3 parts and released one per year. Financing could from an efficient Kickstart campaign. To be clear, since we are talking the "best," Morn (with his deep soulful and expressive gaze) from DS9 would be included, right? Maybe as a scruffy rogue captain of a pirate ship!
Well a lot of good this does us now! Where were you in 2001 before they started filming what we got? But look at your premise. You've got characters and a possible central setting. But where's the story? What's the awesome stuff you want to see? Sure, we say we'd pay to hear Patrick Stewart read the dictionary, but do we want to see that?
It starts out the same wedding, but with a few crossover characters. Data doesn't sing. Wesley gets drunk with Worf. They have sex. Things get awkward. Geordi gets really bitchy. The Enterprise gets a distress call from DS9. Massive space battle ensues. Enterprise rescued by Titan, Data dies, Spot gets blown out an airlock - CREDITS
watching Captain Picard have a bowel movement while reading " amateur archaeologist monthly" magazine would have been a better idea than the NEM premise.
In my screenplay, one of Deanna's quotable moments is, "It's our wedding, Wil, and all anyone cares about is Wesley's tender butthole!"
Not if they introduced Billi-Jakk Dukat (a lean, mean, Starfleet ass-kicking machine) along with his cousin who happened to be named Chuck Norris, Cardassian Ranger. Can I hear a, "HELL-YA!"
And get rid of the whole "screw the Prime Directive, let's ride around on buggies and shoort at the natives" thing.
I honestly doubt a few natives seeing what happened will affect their society in any way. I think people overstate the importance of the Prime Directive. If farmers are truly getting ass-raped by aliens it has had no impact on our society beyond people making fun of them.