Once happily married, Connor and Eleanor suddenly find themselves as strangers longing to understand each other in the wake of tragedy. The film explores the couple's story as they try to reclaim the life and love they once knew and pick up the pieces of a past that may be too far gone.

A mother and her three Edwardian children move to a country house in Yorkshire after the mysterious disappearance of their father. The children become fascinated by a nearby train and their kindness helps them befriend an older gentleman who may be able to solve the mystery of their missing father.