The first great dystopian novel of the 20th century, written in secret in early Soviet Russia.
In a post-revolutionary future, OneState is ruled according to the principles of rationality.
The penalty for dissent is death.
D-503, the chief engineer of the state, meets the beautiful I-330.
Her initial intentions seem innocent, but soon D starts to question her identity, and indeed his own.
D-503 becomes increasingly infatuated by the beautiful I-330, although he suspects she is a revolutionary.
The key to his fate seems to lie in the hands of the mysterious S - but who is S? An agent of the state? A revolutionary himself? D's ordered world unravels as the story hurtles towards its conclusion.