It would seem new info is available now on the upcoming episode 'Good Shepherd', so far, the plot goes like this: Janeway discovers that there are three 'outcasts' on her ship that have never been on an away mission, and who have fallen through the cracks as far as receiving her 'personal attention. To fix this, she forces the 3 of them to accompany her on an away mission with the Delta Flyer to investigate a newly forming star cluster (or something). But they are attacked by some unseen force/alien, who beams one of the crew members off the Flyer, and actually enters his body. When the crewman goes right through a force field and claims he is not in control of his body, Janeway shoots him. When he is hit with a phaser blast, it forces the creature out, where another panicing crewman kills it. The alien should look like a sort of 'walking stick' looking insect thing. Outcasts...