The Sister-in-Law is a 1974 film written and directed by Joseph Ruben. The film was his directorial debut and was shot in New York City. The film received an R rating from the MPAA.Synopsis
Robert Strong (John Savage), a singer-songwriter who has been traveling the country, makes a mistake when he goes to visit his brother, Edward (Will MacMillan), and gets involved with his bored sister-in-law, Joanna (Anne Saxon).
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