What does the final ending of the Korean movie "The Witch" mean?

In the last scene, Dr. Bai's sister is a fantasy created by a white woman. Maybe Dr. Bai's sister hasn't appeared yet, that is, the woman in white protected Dr. Bai's sister and learned her real purpose by influencing her brain, because at last she said, "Don't you dare play with her sister." That woman has discovered that Dr. Bai's sister is an illusion, and there is no shadow of Dr. Bai's sister on the mirror.

abstract

Ziyun experienced a big accident 10 years ago. He escaped alone, but he lost all his memories, even his name and age. After being adopted by an old couple, she was named Ziyun, and now she has grown into a healthy female high school student. In order to help make a living, Ziyun went to a talent show and wanted to get a bonus.

However, after the program was broadcast, many unidentified people came to the door. There are "aristocratic children" who have been wandering around Ziyun, and there are also Dr. Bai and Mr. Cui who want to find the children they lost in the accident. Ziyun couldn't remember the existence of these people at all, and fell into great fear.

leading part

1, actors Jin Mei Duo and Ziyun.

/kloc-The girl who survived the mass death accident 0/0 years ago has a complicated life story. After being adopted by a kind old couple, she grew up to be a healthy female high school student. The appearance seems weak, the actual strength and intelligence are top-notch, and it has the ability to control the floating of objects.

2. Your childe actor Cui Wuzhi.

The mysterious man who suddenly appeared in front of Ziyun on her way to the talent show. Although Ziyun said he didn't know him, he insisted that they not only knew him, but also were inextricably linked. Since then, he has been wandering around Ziyun.