hile en route to the Mogana quadrant, the Enterprise comes comes across a unique phenomena for the first time. It appears as a black void, with no matter or energy readings of any kind. As the Enterprise approaches the entity, it envelops the ship completely. They find however that they are unable to leave and when a Romulan vessel suddenly appears, Picard and the crew realize that something is amiss. Unable to move or leave and facing a lifetime as a prisoner of Nagilum, who wishes to experiment on them, Captain Picard decides there can be only one solution to set them free.

Résumé de IMDb.com