Buy the Book The Pale Horse by Agatha Christie. As far as Osborne knew, Mark was off to burn down The Pale Horse. 'The Pale Horse' Ending Explained: Mark finds out that [Spoiler] killed his wife in a shocking twist. Pale Horse book ending explained: What happens at the end of Pale Horse in Agatha Christie February 9, 2020 Agatha Christie is loved for her incredible crime works, from the creation of iconic characters Hercule Poirot and Miss Marple to The Mousetrap. Rufus Sewell in The Pale Horse (Image: BBC) Of course, for those watching the series, it took a very different turn. She has written some incredible novels, plays and more, and her works are adapted constantly. https://www.pastemagazine.com/tv/the-pale-horse/amazon-ending-explained The rendition not only presents the plotline differently but also adds a surprising and rather confusing supernatural twist The Pale Horse TV series on the BBC has now come to an end after two episodes. He knew that Mark thought he was cursed by Hermia, but it’s not clear why he felt the need to kill her. And Mark is cursed to relive his last days, murdering Delphine and being tormented by Osborne forever. The series is an adaptation of Agatha Christie’s 1961 novel of … The "witches" really were witches after all!