蕾切尔（艾米莉·布朗特 Emily Blunt 饰）有着严重的酒精依靠症，为此，丈夫汤姆（贾斯汀·塞洛克斯 Justin Theroux 饰）分开了她，和名为安娜（丽贝卡·弗格森 Rebecca Ferguson 饰）成婚，没过量久，两人有了恋爱的结晶，这令没法生养的蕾切尔痛彻心扉。　　天天，蕾切尔城市搭乘火车进城，车窗外一闪而过的画面中，艳丽的女子梅根（海莉·贝…

The story follows a recent divorcee who spends her daily commute fantasizing about a seemingly perfect couple who live in a house that her train passes daily, but something shocking happens there one day.