The Sister-in-Law

The Sister-in-Law is a 1974 soft core sexplotation drama film written and directed by Joseph Ruben. The plot centers around a hippie who is desired by his sister-in-law and mistaken for his underhanded brother after he returns to middle-class life. The film was his directorial debut starting his thirty year long career. The film was shot in JFK International Airport, Jamaica, Queens, New York City, USA.[1]

The film received an R rating from the MPAA for soft nudity, soft sex scenes and some violence.[2]