Crippled mastermind Mario Orlandi di Alsconi, who is motivated by misanthropy, sets up a gang of blackmailers. His henchmen kill unscrupulous and without any hesitation everyone who is not ready to pay the sum demanded by the gang. English student Donald "Don" Micklem wants to avenge the murder of his uncle. Almost by himself he manages to break up the blackmailer ring and to bring Mario Orlandi to his just punishment. 译文(2): 受愤世嫉俗情绪驱使的瘸腿主谋马里奥 · 奥兰迪 · 迪 · 阿尔斯科尼建立了一个勒索团伙。他的手下毫不犹豫地杀死每一个没有准备好支付帮派所要求的金额的人。英国学生唐纳德 · “唐”· 米克莱姆想为被谋杀的叔叔报仇。他几乎凭一己之力打破了勒索团伙，使马里奥 · 奥兰迪受到了应有的惩罚。
