Once the Queen of Charn, Jadis is unwittingly freed from her own magic spell by Digory. Unfortunately, having freed her, Digory and Polly cannot then get rid of her, and she comes back with them to London. The children know she must be returned to Charn as soon as possible, but on reaching Narnia first, the evil sorceress is confronted by Aslan and flees to the north of the newly created land. Later she conquers Narnia, ruling through cruelty and terror, and it is into this land, where it is always winter, that Lucy and Edmund come from the wardrobe... and where Edmund becomes her captive.

On a much higher seat in the middle of the sledge sat a very different person - a great lady, taller than any woman that Edmund had ever seen. She also was covered in white fur up to her throat and held a long straight golden wand in her right hand and wore a golden crown on her head. Her face was white - not merely pale, but white like snow or paper or icing-sugar, except for her very red mouth. It was a beautiful face in other respects, but proud and cold and stern.
"And what, pray, are you?" asked the Lady, looking hard at Edmund.
"I'm - I'm - my name's Edmund," said Edmund rather awkwardly. He did not like the way she looked at him.
The Lady frowned. "Is that how you address a Queen?" she asked, looking sterner than ever.