A three-way love affair in the Rome of the early seventies. Construction worker Oreste and young fiancee Adelaide meet Nello, cook in a pizzeria. This love triangle often go to communist rallies, and enjoy the filthy beach of Ostia. Will the hostile environment leave a way to jealousy? 　　译文(3): 七十年代初在罗马发生的三方恋情。建筑工人Oreste和年轻的未婚妻Adelaide遇到了在披萨店做饭的Nello。这段三角恋经常去参加共产主义集会，享受奥斯蒂亚肮脏的海滩。敌对的环境会让人产生嫉妒吗？