While on a transport pod piloting lesson with Aeryn, Crichton gets caught in an energy field which is invisible to their sensors. Back on Moya, a strange guest docks and comes aboard to warn the crew about The Flax, an invisible energy net created to catch ships.

Moya responds to a distress call from another pregnant Leviathan. On arrival at a planet they are contacted by a Delvian who informs them that the distress call was a deception. It was her way a getting Moya to come to them. The Delvians have a hidden agenda though. They want to forcefully take Zhaan's knowledge and learn how she overcame her insanity.

Stark accidentally sends himself, Crichton, Aeryn and Jool back in time where they alter the time line and are forced to interfere further to restore it.

Talyn lands on a planet covered mostly with vegetation that will help him to heal. Crichton, Aeryn and Crais leave the ship in search of Xhalax.

Crichton must seek out an old friend who has gained too much knowledge about wormholes.

D'Argo and Rygel meet Braca and Scorpius in a cafe to conduct negotiations when it is unexpectedly attacked.

Moya arrives at Earth in present day, Christmas. The crew show their ships and technology to Earth's scientists. Crichton starts writing a journal. The creature left on board Moya by Grayza manages to get to Earth where it starts killing and hunting down Crichton.

Crichton and Scorpius travel to one of the 'unrealized realities' where Crichton believes he heard Stark say "Katratzi." Meanwhile on a Scarran ship, Aeryn resists torture.