Ten-year-old Mary comes to live in a lonely house on the Yorkshire moors and discovers an invalid cousin and the mysteries of a locked garden.

After losing his job, Joe's father has no choice but to sell Joe's beloved collie, Lassie, to a wealthy duke, but when the duke takes her to the far north of Scotland, Lassie undertakes a 1000-mile journey to be reunited with her boy.

Mary Lennox is a prickly and unloved ten-year-old girl, born in India to wealthy British parents. When they suddenly die, she is sent back to England to live with her uncle. There, she begins to uncover many family secrets, particularly after meeting her sickly cousin Colin, who has been shut away in a wing of the house. Together, these two damaged, slightly misfit children heal each other through their discovery of a wondrous secret garden.

Best friends Mary Lennox, Sara Crewe, and Cedric Erroll flee their repressive boarding school, intending to start over in the theaters of Paris, but they instead find themselves at Cedric's estate in Yorkshire, where a hidden garden helps them realize their destiny.