Crichton risks the future of Earth to demolish the wormhole as the Moya crew tries to keep the Scarrans from using the wormhole to invade terra firma, which is rich in a flora valuable to the aliens. Although Crichton concocts a way to collapse the wormhole, he doubts he can pull it off, an insecurity Scorpius tries to exploit to forge an alliance with his nemesis. But Crichton has more on his mind - namely, what the future holds for his relationship with Aeryn.