When Jadzia Dax is reunited with the Kahn symbiont, the wife of one of her previous hosts, together the pair must decide whether or not to defy Trill social taboo and rekindle their former relationship.

On a shakedown cruise to Earth to drop off Nog at Starfleet Academy, a malfunction on Quark's new ship causes Quark, Rom, and Nog to crash in the year 1947 in Roswell, New Mexico.