The free flow of traffic to the Gamma Quadrant is vital to the recovery and survival of the planet Bajor and to Federation interests as well. When a mysterious cloaked ship begins raiding wormhole shipping, cleaning out holds and killing entire crews, Commander Benjamin Sisko of Deep Space Nine™acts at once to stop the menace. Commander Sisko has unexpected aid: the cloaked vessel has been striking Cardassian ships as well, and the Cardassian commander Gul Dukat intends to destroy the ship