Anna is a girl who longs for freedom.
The heavy burden at school gave her the idea of rebelliousness.
By chance, she met Mark. She accidentally discovers that he is the prototype of the bat boy she photographed on the rooftop building during her nature class that day.
Mark encouraged her to escape from the world of life, lose everything, and establish a new order of her own.
As the order between the two people is gradually established, the memory of Mark's life experience gradually emerges. A huge conspiracy breaks their original beautiful free order. In order to defend the territory of inner freedom, how will they fight against the demon Dr. Bop?
The author uses the writing style of Western novels to interpret the true meaning of this novel in an intricate and dangerous way, expressing the current Chinese children's dream of freedom.