At Deep Space Nine, a space station located next to a wormhole, Cmdr. Sisko (Avery Brooks) and crew members Odo (Rene Auberjonois), O'Brien (Colm Meaney) and Dax (Terry Farrell) welcome alien visitors, root out evildoers and solve all types of unexpected problems that come their way. The first season of this sci-fi series, part of the Star Trek franchise, includes adventures involving mysterious plagues, baffling murders and dangerous criminals.