Star Trek: Deep Space Nine: 7x20

The Changing Face of Evil

After the Breen attack Earth, mixed emotions abound on DS9. Having revealed her secret regarding the Prophets to Dukat, Kai Winn turns her back on them, only to be convinced by Dukat to embrace the Pah Wraiths. And on the home world of Cardassia, Legate Damar mounts a resistance to the Dominion.

Star Trek: Deep Space Nine: Season 7 Episode 20
1999