In “One”, Seven and the Doctor have to run the ship all by themselves. In “Hope and Fear”, the crew discover that they are not alone.
Trekabout Episode 292: Star Trek: Voyager, One/Hope and Fear

In “One”, Seven and the Doctor have to run the ship all by themselves. In “Hope and Fear”, the crew discover that they are not alone.
Christopher Rollins
-Between Scorpion and Hope and Fear, I think Season 4 of Voyager should be subtitled Unintended Consequences.