Fourteen-year-old Laurie and his family attempt to flee England when the Tripods descend from outer space and begin brainwashing everyone with their hypnotic Caps.
Rebelling against the monotonous life of the moon colony, two boys go beyond its boundaries and discover a series of caves ruled by a super-intelligent plant-like being.
Will and a small group of free people plan to destroy the three great cities of the Tripods before the arrival of a space ship destined to doom humanity.
In this conclusion to the trilogy set in post-apocalyptic England, Luke returns a triumphant Prince from his expedition in the North, although he loses the three things he cares about most.