The escalating conflict between humanity (Vira/Crew) and the Wirrn hive-mind invaders over control of the Ark

The Doctor and his allies converge in the Ark’s power infrastructure to confront the Wirrn leader, who reveals the alien species’ centuries-long search for a new habitat. The alien outlines …

The Doctor tests the WirRN’s ultimatum in the cryogenic chamber, probing the limits of their stated offer. He exposes the fatal flaw in their logic—their instinctive hatred would doom any …