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.
Mary Lennox was horrid, selfish and spoilt, and was sent to stay with her uncle in Yorkshire. She hated it. But when she finds the entrance to a secret garden a change overcomes her. With a local boy and her cousin the three children work magic in themselves and those around them.