An Eastern girl who works in a dry cleaner's is raped by her boss. Ardenzi discovers a clue by reviewing the film showing his wife's fall, but unwittingly ruins it. He decides to stay in Rome to investigate. A teenager commits suicide. It is believed that the act was committed because of the sexual violence suffered by the boy at the hands of the owner of an arcade. Ardenzi searches for evidence on the terrace where the tragedy involving his wife occurred.