Read this excerpt from The People Could Fly

There was a son named Anton. He dreamed that a girl placed a handkerchief over his face. He woke up but he saw no one. Anton told his mother what he had dreamed. His mother said, "Anton, you've dreamed of something enchanted."

A few days later Anton dreamed the dream again and it was exactly the same: A girl placed a handkerchief over his face.

"Anton," his mother said, "you dream of a girl who lives with her father in the tower of the moon."

How does the plot influence characterization in this excerpt?