The Enterprise tries to save an unidentified ship plunging into a supernova but is dragged into a universe where time runs backwards.
The Enterprise encounters the wrecked Constellation, whose distraught captain is determined to stop the giant ship that killed his crew.
A machine that destroys planets threatens the Enterprise.
Bashir falls in love with a wheelchair-bound woman, who is unable to walk in Deep Space Nine's level of gravity.
A spatial distortion ring puts the ship and crew at risk, as it begins to reconfigure the internal layout of Voyager.
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