Sam, Dean, and Castiel are all in search of a Nephalem's power to help seal the gates of hell and also help bring back Mary.
But what happens when the young Nephalem refuses to use her powers?
[Second in the Castiel & Celeste Series] When we last saw Celeste, she was in a coma. Castiel comes back from the dead and brings her out of it. That's when she finds out the truth. The apocalypse is coming and she's stuck in the middle of it. Secrets come out and sacrifices are made. And Celeste finds out who she truly is. "The only good thing about being a nephilim, you have a shorter distance to fall".