 The runabout Ganges returns to Deep Space Nine in serious trouble. The ship has no power, the hatch can t be opened and oxygen is running out. Also there seems to be an extra person on board. O Brien is able to open the hatch and recognizes the guest as Vash, a corrupt archaeologist, from his time on Enterprise. She tells she has been traveling in the Gamma Quadrant for two years and has collected artifacts there. O Brien meanwhile can t find anything wrong with the ship other than the power was being drained. Then the same malfunction appears on DS9. Dangerous blackouts are hitting the station. Meanwhile Vash gets a unexpected visit in her quarters. It s Q, the omnipotent being and he seems upset Vash left him. He wants her back.