The series is ostensibly set in late-1980s Prague against a backdrop of political unrest. Marie and her dissident husband, Viktor, fled Communist Czechoslovakia, but with change in the air, they return home. Viktor then disappears.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.