post-traumatic stress disorder (ptsd) fight kidnapping psychopath paranoia investigation hallucination gore based on comic psychological abuse sociopath murder serial killer miniseries reporter torture writer murderer drugs criminal police officer dentist death mental illness female police officer animal abuse animal death mutilation hostel creepy neighbor intellectual disability young adult housemates gaslighting office worker slight romance plot twist cannibalism blood suspense based on webcomic or webtoon dark fiction skilled killer master/apprentice workplace abuse