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.

An orphaned girl comes to live with her wealthy, embittered aunt in an English village. She soon charms everyone but her aunt, who is not won over until both are confronted with tragedy.

Helen, Jake and Natalie are thrown into disarray when their recently widowed mother announces her love for a new man. Their suspicion of the newcomer triggers events in the siblings' own love lives, which begin to spiral out of control. Can the family pull together, or will old rifts and new conflicts push them apart, even to the point of violence?