电影讲述了一位渔船出现问题的朝鲜渔夫越过国境线到了韩国的故事。片中的渔夫哲友（音）被韩国政府抓住，面对韩国的调查官，他已经筋疲力尽，心中顾念着在朝鲜的家人，只道出了想要回家的愿望。他被调查官用许多方法折磨。韩国的调查人员真友（音）是唯一一位对渔夫真诚相待的人。Namchulwoo is a poor fisherman living a simple but happy life with his wife and daughter on the north side of a river that divide s the two Korea's. Every day he goes fishing on the river,where the check point soldiers know him well and trust him not to cross the invisible border in the water.but one day his fishing net gets caught in the boat engine,and Nam cannot stop him self from drifting into the south.
