Movie director Niccolò has just been left by his wife. Subsequently he embarks on an obsessive relationship with a young woman who eventually leaves him and disappears while searching for her, he meets a variety of other willing girls. This gives him the idea of making a movie about women's relationships. He starts to search for a woman who can play the leading part in the movie.

While touring in Italy, a recently-widowed American opera singer has an incestuous relationship with her 15-year-old son to help him overcome his heroin addiction.

In 19th-century Italy, Giacomo Leopardi channels his debilitating illness and isolation into poetry.

A recently widowed American begins an anonymous sexual relationship with a young Parisian woman.

A young man returns from Rome to his sister's satanic New York apartment house.

A young woman inherits an old hotel in Louisiana where, following a series of supernatural "accidents", she learns that the building was built over one of the entrances to Hell.

An American couple drift toward emptiness in postwar North Africa.

A young policewoman slowly goes insane while tracking down an elusive serial rapist/killer through Italy when she herself becomes a victim of the brutal man's obsession.

While in exile in Italy, an African woman finds herself trying to get back home and free her imprisoned husband. But the only man that can help her do so is in love with her.