With the unpleasant introduction of the Dominion to the Federation, the Alpha Quadrant begins to worry about a possible invasion from their neighbors in the Gamma Quadrant. Major Kira has run countless simulations on a possible attack and Deep Space Nine is always shown to be vulnerable. As Ops meets to discuss the matter further, a cloaked ship appears almost within the range of the station's shields. As the crew watches the ship uncloak, they notice that it bears the nomenclature of a Starfleet ship. Commander Benjamin Sisko hails the station from the vessel, introducing his staff to the USS Defiant. Armed with the latest Federation vessel, the crew of Deep Space Nine head into the Gamma Quadrant to find the Dominion's leaders, known only as the Founders.

'Look here, you big orange Moby Dick'. Will tangles with a grouchy whale who ditches a kiddie concert.

A geological survey team arrives to Los Angeles in order to place an underwater seismometer in the Malibu fault. Stephanie agrees to be their safety officer, because she is in love with the team leader Riley Ferguson. Riley is an expert oceanographer and free-diver. The evening before the diving, Stephanie invites Riley over to her and C.J'.s apartment to discuss the details of the operation. But as their love begins to show, C.J. comes home and when she leaves her room to get a flashlight wearing just a negligee, Riley is definitely distracted.

A media frenzy ensues when famous ex-astronaut "Danger Duke" Robinson is wanted for questioning in the murder of his brother.