Katryca's campaign of conquest to seize control of the planet's advanced technologies from both Drathro's technocracy and the Doctor's influence

Under Katryca’s suspicious gaze, the Doctor must account for himself and his companions’ intrusion into her domain. Forced to conceal the full extent of their mission—a plan to shut down …

The Doctor interrupts his own paralysis to act as the situation spirals out of control in the Ravalox stronghold. Katryca’s villagers have slaughtered the crew of the robot, mistaking its …