Supernatural (2005)

S10E18 Book of the Damned

In "Book of the Damned," Charlie reaches out to Sam and Dean with exciting news: she has discovered the Book of the Dead, a potential solution for removing the Mark of Cain. However, she urgently informs them that she has been shot by Jacob Styne, a man determined to reclaim the book, which he claims is a family heirloom. Meanwhile, Castiel and Metatron embark on a journey to locate Castiel's grace, but they encounter several challenges during their trip. The Winchesters hurry to Charlie’s side as the stakes rise.