Twelve Nights at Rotter House

Felix Allsey, a travel writer known for exploring haunted locations, embarks on a two-week stay at the notorious Rotterdam Mansion, aiming to produce a bestseller. Joined by his friend Thomas Ruth, the duo's stay becomes increasingly unsettling as strange phenomena and eerie occurrences escalate. As events unfold, Felix finds his writing and perception shifting from nonfiction to horror, leading to a startling climax that explores the true nature of haunting.