O'Brien welcomes his wife Keiko back from her visit to the Fire Caves on Bajor, only to learn that she has been taken over by a being who threatens to kill her body unless O'Brien completes certain reconfigurations to the station's systems. With no way to disable her or warn his fellow officers, O'Brien must stay silent as he works on his task - a task which will result in the deaths of the Prophets inside the wormhole.
