Jack Altieri, a young Italian-American restaurant owner, arrives at Vesta awaits him a painting of the sixteenth century that depicts the veiled face of Medea of Carpi, noble woman processed to witchcraft. Shortly after the arrival of Jack, a country girl is killed in a mysterious way, dropping the suspicions of the Commissioner Gianzi on the young restorer, who is soon advised to not complete the work on the opera, because it would hide an ancient curse.

An insatiable nymphomaniac with a wheelchair-bound writer husband finds that her lurid exploits rejuvenate his creativity and libido, but soon enough, all of her lovers end up being murdered by an unknown assailant.

A falsely convicted man's wife, Catherine, and an alcoholic composer and pianist, Martin team up in an attempt to clear her husband of the murder of a blonde singer, who is Martin's wife.