Infinite Regress
Mysteriously, the U.S.S Voyager comes upona floating Borg Vinculum, a device that interconnect's Drone's minds aboard a Borg vessel, which swiftly causes Seven of Nine's to manifest personalities other than her ownincluding that of a Klingon warrior, a Ferengi, and a six year old human girl. Janeway is crushed to learn that if she doesn't act fast, Seven's original personality will be lost forever.