Secrets of Magic

Emily's father was once a good man, who treated people with care, kindness and respect.
Once was a good man.
Magic, however, had corrupted him, making him the real life antagonist. To help him, Emily Hahn will have to set out with other magical people, and trek on a new, dangerous path, one alarming question whispering throughout the whole journey.
What is she willing to do to get her father back?