Oh! I saw the movie of the Les Miserables musical a few weeks ago. I know that's not the same, exactly, but I really liked it.
All nephilim are shadowhunters (with a few exceptions). Nephilim are part-human/part-angel and it is our sacred duty to protect humans from demons by hunting them. ...Ha, no, I don't. Which is probably a good thing because I am not awesome at singing. (I swear, after last night, I'd be surprised if he doesn't have one of the standees of him in his room.)