After an argument with her husband, an unsatisfied wife suffers from selective amnesia. She doesn't recognize the man she married and calls her doctor husband instead.
A man is hospitalized in a neurological clinic, suffering from amnesia. After seeing his photo in the newspaper, Mrs. Ballerini realizes that he is her husband and brings him home; then Mrs. Polacich recognizes him as her husband.
A psychiatric-clinic medical director runs some tests on two patients, the Ragionier Antonio Vignanelli and Cavalier Peppino Caprioli, so they must retrieve some memories of family life in order to understand their mental illness.
Antonio married Amalia and went to fight in Russia during World War II. Since he didn't return Amalia thought he was dead, so she married another man. Many year after the war end, Antonio returned. Amalia has to choose between two husbands.
Antonio takes a hit on his head when he's out to buy a jar of mushrooms for his wife, and loses his memory. He reappears five years later unaware that time has passed.