How Did Aria change the course of the book?

Aria changes the course of the story when she is exiled from her home and forced to survive on her own. With Peregrine's help, Aria survives.... and falls in love. The world she exists in is far different than the world she had known.

The course of the novel changes when she is sent away.... life becomes a place full of disappointments, surprises, and later.... love.