Model Starlet, leads a double life; at night, she becomes Sherry, a Times Square prostitute, in order to search for her brother's killer. He was a marine who had been involved in a game of hot potato with a live hand-grenade on a boat returning from Lebanon. The game had ended tragically when the grenade went off, killing three men and injuring six others, castrating one of them. Now someone is stalking New York and stabbing ex-marines to death, leaving fake hand-grenades between their legs after castrating them. Hard-boiled policeman Flanigan thinks Starlet is putting herself in too much danger, so he intentionally exposes her double identity, then poses as her to catch the real killer.

Rome, Esquilino, summer. Rossella returns to Rome after years of absence and returns to her home, rented to her friend Salvatore, the set designer. The woman is gripped by an evident depression and wanders around the city that she does not recognize and that no longer recognizes her. People have changed and Rossella finds no one capable of answering the obsessive question that has plagued her for some time: "How can I disappear?"

On the edge of a road that leads out of town, some Nigerian prostitutes pass the time on sagging sofas, bargaining with white clients for their bodies and their thoughts. On another street, some Slavic boys wait to be hired as bricklayers, but they are willing to do any kind of work. At night, an Egyptian works as an illegal in a gas station.