In a top-secret UNIT warehouse Dr Sally Arnold is studying a Nestene energy unit with little success. Until she subjects it to cosmic signals that activate it and it awakens several dormant Autons stored in the facility.

Auton

Two years have passed since the Nestene creature vanished from UNIT's top secret Warehouse...  Suddenly and without warning the Nestene strikes, once again using Autons as its deadly foot soldiers. As mysterious UNIT operative Lockwood struggles to unearth the Nestene plan, he finds himself drawn to remote Sentinel Island. There, the population have been caught up in a bizarre frenzy of religious activity.  Lockwood is joined by Natasha Alexander, a new scientific advisor with her own, sinister agenda. To defeat the Nestene menace they must both face the terrifying power of a creature from before the dawn of Mankind...

Auton 2: Sentinel

The Nestenes have made the final connection.

Auton 3: Awakening

Paralysed from the waist down after a car crash, Julie Hill struggles to get used to her disability and to save her marriage. It looks as if her husband will leave her. Then doctors try a revolutionary treatment which feeds electrical impulses to her leg muscles - allowing her to ride a bicycle once again and so go out for bike rides with her family. Her marriage survives and she and her husband end up closer together than before.