Diary Of A Murderer is getting an English-language feature film adaptation.The original novella by acclaimed South Korean author Kim Young-ha follows a former serial killer diagnosed with Alzheimer’s disease, causing him to suffer from rapidly worsening memory loss. When the emergence of new killings mimicking the modus operandi of his murders from decades ago threatens to end his now-peaceful life with his daughter, he plans one final kill before he loses his memory completely.Mammoth Pictures, the production company behind horror-thriller The Night, was reported by Deadline on August 17 to have acquired both film and television rights to the book, with the company’s creative director Kourosh Ahari (The Night, Parallel) set to direct.With a screenplay written by Henry Chaisson, who previously wrote Antlers and Servant, the upcoming Diary Of A Murderer film will mark the first production under the new deal.