Watch Descendant for Free: How to Stream the Movie Online at 123Movies. . As Ann Hedgerow - an indirect descendant of Edgar Allen Poe - begins to explore her family's past, she meets novelist Ethan Poe. Ethan, also a distant descendant of Poe, is tormented by visions of his famous ancestor. When Ann and Ethan begin a romance, the dark - and deadly - secrets of Poe's legacy emerge... will Poe's stories inspire a real-life horror-tragedy?