The USS Pioneer returns from a routine survey mission to find that their home is no more. Station Empok Nor has been seized by the New Maquis and the Obsidian Order. Now the crew of the Pioneer along with Marines being led by General Sobel and Captain Tremble have to try to get the station back before the fragile peace built between Cardassia and the Federation comes to an end. A new ally emerges as the mysterious Azzians step forward and into galactic politics.