On a mission to recover a Federation informant from the Dominion world of Soukara, Dax is injured and Worf must choose between completing the mission or saving his wife. on DS9, O'Brien enlists Bashir's help to defeat Quark in a game of tongo.

Dr. Bashir's plans to attend a medical conference on Casperia Prime are canceled when the Department of Internal Affairs arrives on DS9 and announces there has been a major security breach and a member of the senior staff has been passing information to the Dominion.