Jack (The Ancient) unlocks the wormhole knowledge in Crichton's mind so together they can build a device to destroy the Scarran dreadnought.

Still grieving for Crichton, Aeryn travels to a planet to make contact with someone claiming to be her father. After meeting with him, Aeryn goes in search of a creature who, according to her father, can channel the dead. But where her father is, can her mother be far behind?