When a Klingon fleet under General Martok arrives at the station ostensibly to protect the Alpha Quadrant from the Dominion, Sisko recruits Lieutenant Commander Worf to discover the Klingons' true intentions.

Welcome to Riverworld, a place of strange, watery beauty and the current abode of a fascinating cast of the recently (and not-so-recently) dead. It certainly isn't Heaven, but it just might be Hell.