The Borg are trying to enhance the Enterprise-E deflector dish, so that the 24th century Borg can establish communications with the Borg in the 21st century, Capt. Picard shots and kills a borg drone and ascertains via the dead Borgs Neural net memory chip, regarding the borg plans and assembles a tactical team to prevent the 24th century Borg from contacting the Borg in the 21st century.