Girl on the Train
Rachel takes the train everyday to London and as she travels she enjoys the scenes along the way, especially a young couple who many days are out on their deck enjoying their breakfast. But one day - that all changes. The girl in on the deck with another man and then the girl disappears. Rachel feels that she must tell the police what she has witnessed.
That is only the beginning of becoming entangled into the lives of those she sees on her way to town on the train.