简介
人犯宋泽在潜逃途中又杀害了一名武装警察，劫枪窜回某海滨城市。公安干警何磊奉命去抓捕宋。狡猾凶残的宋连连作案，女友李晓华规劝他投案自首。宋拒绝后，李仍为他购买车票，帮他潜逃。何磊找到了李晓华，在何的苦心劝告下，李说出了宋的去向。何磊率公安干警乘直升飞机追上宋所乘坐的开往北京的83次列车，并在列车长的协助下登上了正在行驶的列车……。Martin deals with the case of a young girl who has been acting out. When Louisa Glasson mentions Ritalin to the mother, Martin tries to point out that she is not qualified to give that kind of advice. A new police constable, Joe Penhale, arrives in Portwenn but seems to have a peculiar medical condition. Martin's aunt Joan has a car accident and Louisa faints while teaching a c...。