故事围绕一位年轻人(博内塔饰)爱上了自己父亲死敌的女儿(达达里奥饰)展开。。Although they are only janitors at a detective agency, the boys pass themselves off as sleuths and are engaged to guard an inventor delivering a new bomb. They outwit enemy agents after the bomb and wind up sinking a Japanese submarine.。