From publisher blurb:
Learn all about Defiant House Kamael and put your Characters in all manner of perilous situations!
Twelve Great Houses bound their fates to the Sephirot and forged the Defiant alliance. They remain the most powerful among the aristocrats ruling over the Domains. There are, however, many more supernatural bloodlines that have joined the Defiant cause. One of the most notable among them is the angelic House Kamael. Angels of Grace can be found in almost all Domains, making them one of the largest and most influential Houses outside the Twelve.
In this Defiant supplement, you will learn more about Angels of Grace, their history, and customs. Additionally, you'll find rules and advice on creating Player Characters with preexisting dire problems and problematic situations.
CW: discrimination against a group
If you feel that dealing with the topic of a group being mistreated by others might be problematic for you, you should skip the "House Kamael in New Hethlon" part of the first Chapter. The second Chapter's information can still be useful, as it doesn't presume the nature of the bias against the Characters. Perhaps they are punished for something they are personally responsible for or have a powerful personal enemy.