Believing that the recent Cardasssian coup was orchestrated by the Dominion, the Klingon decision to attack Cardassia puts the Federation-Klingon alliance in jeopardy, and forces Worf to choose between his people and his oath to the Federation.

After crash landing on a planet, Dr. Bashir tries to help members of a rogue Jem'Hadar unit free themselves of their addiction to the drug the Founders use to control them. Meanwhile, Worf tries to adjust to life aboard DS9.