The son of a woman from Dax's past as Curzon Dax when he acted as ambassador to another planet, attempts to extradict her for the murder of his father and for treason. Dax refuses to defend herself in any way and the task of her defense befalls to Commander Sisko and Odo who must try to prove that Curzon Dax (her old Trill identity) and Jadzia Dax (her current Trill identity) are not the same being.