Kleinhoff Hotel (1977)

Directed by Carlo Lizzani

Pascale, married to an architect, misses her flight to London and is forced to stay in Berlin, at the Kleinhoff Hotel where she stayed as a student. Karl, a would-be revolutionary lives in the adjoining room and Pascale spies him and his ex-girl-friend through a hole. Then she follows him to a questionable place where she is arrested by the police during a revolutionists raid. When she returns to the Kleinhoff Hotel, Pascale finds Karl crying, and enters his room to console him and they have a love affair.