Sisko, Bashir and Dax are accidentally sent to San Francisco in the 21st century due to a transporter malfunction, and must figure out how to get back to return without…

Quark is forced to marry a Klingon widow after he takes credit for the accidental death of her husband, the head of a powerful Klingon House.

With the war between Klingons and Federation intensifying, Sisko must make a plan to expose Gowron as a changeling. Odo is still having trouble with becoming a solid.