Twenty years ago, old Mrs. Barlow was killed in her home at 12, Pimlico Square for her priceless rubies. The murderer searched the whole house without finding them, then disappeared. The house has been empty since then, but now Paul and Bella Mallen move
纽约港的码头上,以约翰尼为首的黑社会势力无情地压迫着码头工人们。曾经是拳击手的特里(马龙·白兰度 Marlon Brando 饰)来到码头为约翰尼工作。他的朋友乔伊因为向犯罪委员会揭发约翰尼等人的罪行,被其手下,也是特里的哥哥查理从楼顶上推下摔死。乔伊的妹妹伊迪(爱娃·玛丽·森特 Eva Marie Saint 饰)发誓要为哥哥复仇,与教区牧师巴里神父一起展开调查。知情人都不敢出面告发。特里也目睹了乔伊被害的经过,虽然同情伊迪的遭遇,想要帮她逃离黑社会的迫害,但他没有告发哥哥的罪行。在与伊迪的接触中,两人