Stardate not given: A virtual place called "Unimatrix Zero" is the refuge for a number of Borg drones while they are regenerating, but this paradise is about to be destroyed when the Queen notices the absence of these drones from the collective mind. The renegade drones ask Seven of Nine for help. She spent five years in Unimatrix One herself where she fell in love with a fellow drone, Axum. Janeway devises a plan to spread a nanovirus that would allow the Borg to keep their memories and individual thoughts after their regeneration so that some sort of resistance movement could be formed. Together with B'Elanna and Tuvok she infiltrates a Borg tactical cube. The Delta Flyer is destroyed, and the three officers are assimilated. Their individual thoughts still intact with the help of a neural suppressor, they proceed to the central plexus of the cube and release the virus. Tuvok, however, receives subconscious messages from the Borg Queen and reveals their plan. The Queen begins to destroy whole infiltrated Borg ships to force Janeway to surrender. Janeway gives Chakotay a cue that Unimatrix Zero can't exist any longer, and he disrupts the interlink frequency, thereby destroying the Unimatrix, but preventing the renegade drones from being detected. With the help of the Klingon drone Korok, who has taken command over his sphere, the three officers can be freed from the tactical cube just before the Queen orders its self-destruction.

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