Young Mary Lennox is orphaned sent to England to live with her uncle. Mary briefly meets him, still mourning for his wife who died ten years ago, but she is mostly left on her own. A resourceful and inquisitive girl. she finds an overgrown secret garden, the favorite of her aunt and locked up since her death. That she has a cousin, Colin, a sickly boy who has been told he must remain in bed out of the daylight at all times. Once Mary and another new friend, Dickon, have brought the garden back to life they decide Colin must see it, a decision that will change several lives.