警长与他的弟弟去墨西哥寻仇,发现仇人已成为当地一霸,然而一段二十年前的往事却让这场复仇遭遇到了困难……The tough gun-man Burt Sullivan (Franco Nero) leaves his job as a town sheriff to go to Mexico to find the man, Cisco, who killed his father many years ago. He and his younger brother arrive in a small town where everybody is afraid of Cisco who has become the local landowner. But there is a secret. It turns out that Cisco is the father of Burt's younger brother and Cisco are craving for respect from his "son". Burt Sullivan joins forces with the local townspeople to stop and bring Cisco back to his punishment in Texas.