 The plants are vital to a Scarran augmentation process, and Crichton had inadvertently revealed to the Scarrans that they can be found on Earth.Crichton's only option to save his home world is to destroy the wormhole that leads there, leaving him stranded in space forever.That done, Scorpius returns to the Peacekeepers and the Moya crew go to the ocean planet Qujaga to recover.