The Daleks' deception of the Solturians is revealed, and a traitor is revealed in the Solturians' midst.; The Doctor and Brimo have a literal battle of wills until Brimo's power runs out and she is tricked back into her prison cell. Upon returning to normal space, Sharon discovers that she has aged 4 years, and is no longer a teenager.; Cyberleader Maxel exhausts all of his weapons trying to destroy the ultimate weapon, finally destroying himself and his space ship to keep the weapon from leaving the planet.