Parthenope (Celeste Dalla Porta) is a young woman growing up in Naples, Italy, in the 1960s-70s. Men, boys, and even some women are struck by her alluring beauty, desiring her affection at every turn.

In Greek mythology, the Sirens were half-bird women whose song was so beautiful that it would lure sailors to their deaths along the rocky shores of the island where they lived. See: “The Odyssey.” ...