Well, we'd need a lot of character driven stuff... the Paris family reunites, of course. Janeway would have some sort of dealings with Mark, her ex-fiancee, which would probably be friendly but distant. Tuvok returns to Vulcan to mind meld with his eldest son Sek, reunite with his wife, and meet his granddaughter. The EMH is thoroughly debriefed and examined, as the first of his type to evolve into a sentient, and we get the hint that Starfleet is worried about this happening again. Harry reunites with his parents, and struggles with the reality than his seven years as an ensign has demolished his career. The Maquis are pardoned, but the Equinox's survivors face serious repercussions. But because this is a movie, some threat of the week emerges. Time traveling Borg? Rogue Jem'Hadar? The Romulans finally find out they were tricked and boy are they pissed? The mind boggles...