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Yuppie-type Michael Berger (Edward Bell) and his bitter wife Lee (Linda Marsh) can barely stand each other as it is. Things don't get much better when they move to Puerto Rico to a house he just inherited from his brother, and the circumstances aren't all that auspicious. It seems his brother murdered his wife before committing suicide. Since they don't see much future in their marriage anyway, they agree to try the then-popular sport of wife-swapping. In this movie, however, more than just wives are swapped, as explicit sexual references and lesbian encounters also take place. Michael goes ballistic from time to time, and his wife is a real queen of sarcasm. Their dislike of each other grows throughout the film, but the bonds which hold them together have never seemed more unbreakable. This movie was produced in 1970 and went commercially unreleased for almost 20 years.