The Sinful Bed (Das sündige Bett) (1973)

An antique bed relates passionate stories about various people who have made love on it throughout the decades of the 20th century. Said folks include a sweet young virgin, a sly prostitute who helps a jilted woman get revenge on her unfaithful husband, a German soldier fighting in World War II who's on leave for two hours, and a carefree modern couple.