When Father goes away one evening, the lives of Roberta, Peter and Phyllis are shattered. They and their mother have to move from their comfortable London home to go and live in a simple country cottage, They soon come to love the railway near their cottage and all associated with it.

When Father goes away one evening, the lives of Roberta, Peter and Phyllis are shattered. They and their mother have to move from their comfortable London home to go and live in a simple country cottage, They soon come to love the railway near their cottage and all associated with it.