Dispatched on a secret mission to investigate the raids, Commander Worf and the crew of the Defiant find themselves trapped on an alien world threatened by global cataclysm -- trapped along with Klingons who were exiled for their loyalty to Worf's dishonored family.
Dead bodies begin turning up on Deep Space Nine, and Commander Benjamin Sisko and Securtiy Chief Odo have to find the killer while the Edemans and Cardassians threaten to destroy the station unless the murderer is given to them for retribution.
There's a killer at the big poker tournament at Quarks, and Commander Sisko and Security Chief Odo must hunt him down to save everyone on board Deep Space Nine.
Jake and Nog try to make friends with a Bajoran boy whose parents were killed by Cardassians, but he only wants to join the Bajoran freedom fighters in their battle against the Cardassians.
Benjamin Sisko, still grieving the death of his wife at the hands of a Borg attack led by the assimilated Captain Picard, finds adventure and healing when he reluctantly accepts the assignment of commander of Deep Space Nine.