影片讲述了单亲爸爸石宇和女儿秀安乘坐前往釜山站的高速列车,列车发车后,由一位少女身上带来的僵尸病毒开始肆虐并且不断扩散,列车与顷刻间陷入灾难的故事。影片通过灾难电影的形式,在一列火车这样一个封闭式空间里,将人性的真善美、假恶丑刻画到极致。 The film tells the story of single-parent father Shi Yu and daughter Xiu An take a high-speed train to Busan Station. After the train departs, the zombie virus brought by a young girl begins to wreak havoc and spread continuously, and the train suddenly falls into a disaster story. In the form of a disaster movie, the film depicts the truthfulness, beauty and fake, evil and ugliness of human nature in an enclosed space like a train.