During a supply run to the isolated outpost AR-558, Sisko and his away team volunteer to stay with the besieged and demoralized unit, which is about to come under attack by a much larger contingent of Jem'Hadar soldiers.

Severely depressed over the loss of his leg at the Siege of AR-558, Nog struggles to return to normal life aboard DS9 and seeks shelter within the holographic world of Vic Fontaine.