Star Trek: Voyager - Season 4 Episode 26 -

After a Starfleet rescue ship, the Dauntless, is located when an alien visitor interprets a damaged data stream from Starfleet Command. The ship features a novel "slipstream" drive that offers quick trip home to earth. After her initial delight is tempered by suspicion and Seven of Nine proposes to remain in the Delta Quadrant Captain Janeway re-interprets the message and accosts the alien whom takes her and Seven-of-Nine away on the Dauntless. He reveals that her assistance to the Borg against Species 8472 led to Borg domination of a large portion of the Delta ...