Cornélio, an aged man and famous baritone, marries the young Angelica, who plans with her ex-boyfriend Bruno, to kill the husband with contaminated oysters, but she ends up the one who gets sick.
15-year-old Dawn runs away from what she feels is an intolerable home life. In the big city, she ends up turning to prostitution when she is unable to get a job due to her age.
An extended dream sequence presents a biblical allegory about the creation, downfall and rebirth of humanity, told through a series of surrealistic vignettes and musical numbers.