Cocktail Party

A charming psychopath tries to coerce a tennis star into his theory that two strangers can commit the perfect crime by exchanging murders—each killing the other’s most-hated person.

Tom and Janet have been happily married for years. But a visit from a mysterious stranger leads to a dead body, a lot of questions, and a tense couples' trip with friends who may not actually be friends at all.

Critics and the public say Karen Stone is too old -- as she approaches 50 -- for her role in a play she is about to take to Broadway. Her businessman husband, 20 years her senior, has been the angel for the play and gives her a way out: They are off to a holiday in Rome for his health. He suffers a fatal heart attack on the plane. Mrs. Stone stays in Rome. She leases a magnificent apartment with a view of the seven hills from the terrace. Then the contessa comes calling to introduce a young man named Paolo to her. The contessa knows many presentable young men and lonely American widows.

In the moment when Belgrade industrialist Života Cvijović had dreams to marry off his son Milorad, Doctor of Philosophy, to a minister of transport's daughter, a telegram from Milorad's professor from Heidelberg arrives, saying that he wants to visit them. Bad luck is that Velimir, a poor student, was financed by Milorad, and studying under his name received a diploma.

A love triangle develops between the male and female leads and the director during the making of a musical in Mainland China.