墨西哥青年人帮派“拉马拉”手段凶残，占据着每天运送大量偷渡客的火车站。作为帮派份子，卡斯帕在执行任务期间却外出约会，并冒着被视为叛徒的危险隐瞒自己恋爱的事实，但女友仍在卡斯帕受处罚的聚会上出现，并被首领里马尔戈误杀。洪都拉斯少女塞拉长年在美国的父亲终于出现，为了能和亲人团聚，父女登上了偷渡的火车，火车路经拉马拉势力范围时，里马尔戈同帕斯卡攀车打劫，为救塞拉，帕斯卡将里马尔戈砍落车下。塞拉与帕斯卡萌...

A man nicknamed "the Jesuit," is imprisoned for a crime he didn't commit. When his wife is murdered and his son kidnapped and taken to Mexico, he devises an elaborate and dangerous plan ...