Cas and Jack's plates are full for the current year. Cas struggles against the Mark of Cain, fighting against the Stain family and Lucifer's second coming. Jack continues to try and fail at finding a cure from the Book of the Damned, beginning to call in for back up. The two's bond in tested through out as they continue to hide their truths, until the final words of Cain. The last book to take from episodes of Supernatural, I apologize sincerely for so much being taken but I couldn't help myself, the show was a huge part of my child hood, the chapters that take from it will be marked with (*)