A freak shuttle encounter with a cloud of active plasma necessitates an emergency evacuation. The Doctor's mobile holo-emitter and some of Seven of Nine's Borg nanoprobes are fused in the beam-out, resulting in a new life-form. With its immense adaptive Borg capabilities and its advanced 29th century technology, the new Borg drone proves to be amazingly intelligent and almost friendly in a child-like way, though Seven is troubled by the drone's curiosity about the nature of its Borg "ancestors". Unfortunately, another aspect of the drone's heritage - the signal which links it to the Borg collective - alerts the collective to its presence and Voyager's location, and a deadly family reunion becomes imminent.
