The story is about Mary Lennox, a sour-faced, sassy little girl. After the death of her parents, she is sent to her Uncle's house where she finds a secret garden. In the process of exploring the garden, Mary becomes happy and friendly and helps her cousin and uncle out of the haze.

性情古怪孤僻的小女孩玛丽·伦罗克斯父母双亡后，被送到叔叔家里生活。在那里她发现了一个秘密花园，开发花园的过程让她变得开心友好，并且帮助堂兄和叔叔走出了阴霾。