Callie Fray is the younger, more adventurous twin of Clary Fray. She never misses a chance to put on a mini dress and dance till her feet are sore. However, after finding out she and her sister are demon slaying half-angel beings called Shadowhunters, she's a bit reluctant to jump into the world that could have been hers. What does this secret world have in store for Callie Fray? *A mix of the books, show, and movie*