Set two years after the events of Auton. A lorry transporting Autons from the UNIT storage facility to another facility is attacked by it's own cargo. Meanwhile, Lockwood has been plagued by powerful dreams and it soon becomes clear that the Nestene Consciousness is trying to use Lockwood for their own purposes. UNIT's own internal security division begin investigating Lockwood and assign him a new partner and fellow psychic, Natasha Alexander. The pair discover that the escaped Autons have gone to Sentinel Island but when Lockwood and Natasha visit the island it soon becomes clear that this is a much bigger issue than a few revived Autons.