Sisko, Odo, Dax, and Garak are found unconscious in their Runabout. While Bashir attempts to revive their bodies in the present, Sisko and the others wake up on Terek Nor -- the station's previous name -- during the Cardassian occupation of Bajor. It is seven years earlier, and the four have been mysteriously placed into the roles of a group of Bajorans that are sentenced to be executed!