"Night Cleaners" is set in the context of the campaign (1970-1972) to unionize the women who cleaned office blocks at night and were being victimized and underpaid. Intending at the outset to make a campaign film, the Collective was forced to turn to new forms in order to represent the forces at work between the cleaners, the Cleaner's Action Group and the Unions - and the complex nature of the campaign itself.
After spending decades living in the shadow of his more famous and successful sibling, Consulting Detective Sigerson Holmes (Wilder) is called upon to help solve a crucial case that leads him on a hilarious trail of false identities, stolen documents secret codes.
During World War I, a German U-boat sinks a British ship and takes the survivors on board. After it takes a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals.