Based on the Gothic novel by Mary Roberts Rinehart, this haunted house mystery casts Agnes Moorehead as a mystery writer who has just moved into a spooky old mansion. It's former owner was recently killed, but not before hiding one million ill-gotten dollars somewhere in the house. Now, a nefarious killer known only as the "Bat" is trying to find the money, while bodies and mysteries build up in this strange old house. Filmed before in 1915 (silent), 1926 (silent) and 1930 (talkie).