Griff Bonnell and his brothers Wes and Chico arrive in an Arizona town. He is a reformed gunslinger, now working for the Attorney General's office, looking to arrest Howard Swain for mail robber...

　　在美国西南部小镇黑岩，当地居民都有一个共通的秘密——他们在二战时虐待了日裔农夫。当一个外来的独臂人到镇上向人问问题时，便引起了人们的怀疑和恐慌...