He joins a radical fraction among the workers who call for a strike, has an affair with a female co-worker and invites the students to move into his flat.
Lulù, now on the verge of madness, only vaguely realises that Lidia and her son have moved back in and that the unionists have convinced the management to rehire him.
Back in the factory, working in an assembly line with other colleagues, he recounts a dream in which he broke a wall, finding himself and his co-workers emerge from a fog.
The Segnalazioni cinematografiche lauded its "solid cinematographic language" and the precise portrayal of its central character, but criticised the "overabundance of themes and some long-windedness".
[1] Natalia Ginzburg in La Stampa accused the film of being superfluous and confusing, held together only by Gian Maria Volonté's presence.