Hide and Seek: A children’s book

In a game of hide and seek, Elena goes into hiding with her siblings against their mother's rule. Unknown to her, she gets locked up in a room with a dog that is half wolf. If Elena tries to move, the dog moves too. And if she tries to open the door, the doorknob breaks. What do you think will happen to Elena in the dog's den? And what do you think will happen to their game of hide and seek?