Fate of the Fae

How do you fly with your feet on the ground?

When Watcher Angel Calastair had one of his wings stolen, he never thought he would rise again. But when he finds out he and Reka have Fae blood, they explore their heritage after being recruited by the Faerie king to rescue others like themselves.
Except, when they enter the world of Fae, along with their friends, they find oppression and discrimination, and there's a change of plans. Even among the supernatural, equality seems like an impossible...