What's happening?

Star Trek: Deep Space Nine: 2x1

The Homecoming

Word that a previously thought dead Bajoran resistance legend is still alive sends Kira and Chief O’Brien to Cardassia IV to rescue him; meanwhile “The Circle”, a sect of the Bajoran provisional government that is intent on wiping out alien influence, is sneaking into power.

Star Trek: Deep Space Nine: Season 2 Episode 1
Sep. 26, 1993