Giulia and Carlo have been happy together for three years, but Giulia's announcement that she is pregnant sends him into a secret panic. Terrified at his imminent entry into the adult world of irreversible responsibilities, Carlo finds himself tempted by a bewitching 18-year-old girl, Francesca, whom he meets by chance at a wedding. The possibility of one last youthful crazy fling before the impending prison of parenthood proves to be too attractive to resist.

Mary Lou, the prom queen burned to death by her boyfriend back in the fifties, has escaped from hell and is once again walking the hallways of Hamilton High School, looking for blood.