post-traumatic stress disorder (ptsd) fight kidnapping paranoia hallucination investigation psychopath psychological abuse based on comic sociopath murder gore 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 workplace abuse