The Borg have once again targeted the Federation; this time their devious plot threatens not only the present but Earth&s past as well While Commander Riker Deanna Troi & Geordi La Forge work hard on the surface of 21st-century Earth to keep history on schedule the rest of the crew plays a desperate game with the genetically-networked attackers above the planet matching former Locutus Jean-Luc & cybernetically-naive Data against the erotic mechanized cunning of the Borg queen